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includes
#include <linux/highmem.h>
includes
#include <linux/vmalloc.h>
includes
#include <linux/ioport.h>
includes
#include <linux/delay.h>
includes
#include <linux/migrate.h>
includes
#include <linux/page-isolation.h>
includes
#include <linux/pfn.h>
includes
#include <linux/suspend.h>
includes
#include <linux/mm_inline.h>
includes
#include <linux/firmware-map.h>
includes
#include <linux/stop_machine.h>
includes
#include <asm/tlbflush.h>
defines
#define NR_OFFLINE_AT_ONCE_PAGES (256)
functions
void lock_memory_hotplug(void) { mutex_lock(&mem_hotplug_mutex); /* for exclusive hibernation if CONFIG_HIBERNATION=y */ lock_system_sleep(); }
functions
void unlock_memory_hotplug(void) { unlock_system_sleep(); mutex_unlock(&mem_hotplug_mutex); }
functions
void release_memory_resource(struct resource *res) { if (!res) return; release_resource(res); kfree(res); return; }
functions
void get_page_bootmem(unsigned long info, struct page *page, unsigned long type) { page->lru.next = (struct list_head *) type; SetPagePrivate(page); set_page_private(page, info); atomic_inc(&page->_count); }
functions
__ref put_page_bootmem(struct page *page) { unsigned long type; static DEFINE_MUTEX(ppb_lock); type = (unsigned long) page->lru.next; BUG_ON(type < MEMORY_HOTPLUG_MIN_BOOTMEM_TYPE || type > MEMORY_HOTPLUG_MAX_BOOTMEM_TYPE); if (atomic_dec_return(&page->_count) == 1) { ClearPagePrivate(page); set_page...
functions
void register_page_bootmem_info_section(unsigned long start_pfn) { unsigned long *usemap, mapsize, section_nr, i; struct mem_section *ms; struct page *page, *memmap; section_nr = pfn_to_section_nr(start_pfn); ms = __nr_to_section(section_nr); /* Get section's memmap address */ memmap = sparse_decode_mem_map(ms...
functions
void register_page_bootmem_info_section(unsigned long start_pfn) { unsigned long *usemap, mapsize, section_nr, i; struct mem_section *ms; struct page *page, *memmap; if (!pfn_valid(start_pfn)) return; section_nr = pfn_to_section_nr(start_pfn); ms = __nr_to_section(section_nr); memmap = sparse_decode_mem_map...
functions
void register_page_bootmem_info_node(struct pglist_data *pgdat) { unsigned long i, pfn, end_pfn, nr_pages; int node = pgdat->node_id; struct page *page; struct zone *zone; nr_pages = PAGE_ALIGN(sizeof(struct pglist_data)) >> PAGE_SHIFT; page = virt_to_page(pgdat); for (i = 0; i < nr_pages; i++, page++) get_p...
functions
void grow_zone_span(struct zone *zone, unsigned long start_pfn, unsigned long end_pfn) { unsigned long old_zone_end_pfn; zone_span_writelock(zone); old_zone_end_pfn = zone->zone_start_pfn + zone->spanned_pages; if (!zone->spanned_pages || start_pfn < zone->zone_start_pfn) zone->zone_start_pfn = start_pfn;...
functions
void resize_zone(struct zone *zone, unsigned long start_pfn, unsigned long end_pfn) { zone_span_writelock(zone); if (end_pfn - start_pfn) { zone->zone_start_pfn = start_pfn; zone->spanned_pages = end_pfn - start_pfn; }
functions
void fix_zone_id(struct zone *zone, unsigned long start_pfn, unsigned long end_pfn) { enum zone_type zid = zone_idx(zone); int nid = zone->zone_pgdat->node_id; unsigned long pfn; for (pfn = start_pfn; pfn < end_pfn; pfn++) set_page_links(pfn_to_page(pfn), zid, nid, pfn); }
functions
__ref ensure_zone_is_initialized(struct zone *zone, unsigned long start_pfn, unsigned long num_pages) { if (!zone_is_initialized(zone)) return init_currently_empty_zone(zone, start_pfn, num_pages, MEMMAP_HOTPLUG); return 0; }
functions
__meminit move_pfn_range_left(struct zone *z1, struct zone *z2, unsigned long start_pfn, unsigned long end_pfn) { int ret; unsigned long flags; unsigned long z1_start_pfn; ret = ensure_zone_is_initialized(z1, start_pfn, end_pfn - start_pfn); if (ret) return ret; pgdat_resize_lock(z1->zone_pgdat, &flags); ...
functions
__meminit move_pfn_range_right(struct zone *z1, struct zone *z2, unsigned long start_pfn, unsigned long end_pfn) { int ret; unsigned long flags; unsigned long z2_end_pfn; ret = ensure_zone_is_initialized(z2, start_pfn, end_pfn - start_pfn); if (ret) return ret; pgdat_resize_lock(z1->zone_pgdat, &flags); /...
functions
void grow_pgdat_span(struct pglist_data *pgdat, unsigned long start_pfn, unsigned long end_pfn) { unsigned long old_pgdat_end_pfn = pgdat->node_start_pfn + pgdat->node_spanned_pages; if (!pgdat->node_spanned_pages || start_pfn < pgdat->node_start_pfn) pgdat->node_start_pfn = start_pfn; pgdat->node_spann...
functions
__meminit __add_zone(struct zone *zone, unsigned long phys_start_pfn) { struct pglist_data *pgdat = zone->zone_pgdat; int nr_pages = PAGES_PER_SECTION; int nid = pgdat->node_id; int zone_type; unsigned long flags; int ret; zone_type = zone - pgdat->node_zones; ret = ensure_zone_is_initialized(zone, phys_start_...
functions
__meminit __add_section(int nid, struct zone *zone, unsigned long phys_start_pfn) { int nr_pages = PAGES_PER_SECTION; int ret; if (pfn_valid(phys_start_pfn)) return -EEXIST; ret = sparse_add_one_section(zone, phys_start_pfn, nr_pages); if (ret < 0) return ret; ret = __add_zone(zone, phys_start_pfn); ...
functions
__ref __add_pages(int nid, struct zone *zone, unsigned long phys_start_pfn, unsigned long nr_pages) { unsigned long i; int err = 0; int start_sec, end_sec; /* during initialize mem_map, align hot-added range to section */ start_sec = pfn_to_section_nr(phys_start_pfn); end_sec = pfn_to_section_nr(phys_start_pfn...
functions
int find_smallest_section_pfn(int nid, struct zone *zone, unsigned long start_pfn, unsigned long end_pfn) { struct mem_section *ms; for (; start_pfn < end_pfn; start_pfn += PAGES_PER_SECTION) { ms = __pfn_to_section(start_pfn); if (unlikely(!valid_section(ms))) continue; if (unlikely(pfn...
functions
int find_biggest_section_pfn(int nid, struct zone *zone, unsigned long start_pfn, unsigned long end_pfn) { struct mem_section *ms; unsigned long pfn; /* pfn is the end pfn of a memory section. */ pfn = end_pfn - 1; for (; pfn >= start_pfn; pfn -= PAGES_PER_SECTION) { ms = __pfn_to_section(pfn); ...
functions
void shrink_zone_span(struct zone *zone, unsigned long start_pfn, unsigned long end_pfn) { unsigned long zone_start_pfn = zone->zone_start_pfn; unsigned long zone_end_pfn = zone->zone_start_pfn + zone->spanned_pages; unsigned long pfn; struct mem_section *ms; int nid = zone_to_nid(zone); zone_span_write...
functions
else if (zone_end_pfn == end_pfn) { /* * If the section is biggest section in the zone, it need * shrink zone->spanned_pages. * In this case, we find second biggest valid mem_section for * shrinking zone. */ pfn = find_biggest_section_pfn(nid, zone, zone_start_pfn, start_pfn); if (pfn) ...
functions
void shrink_pgdat_span(struct pglist_data *pgdat, unsigned long start_pfn, unsigned long end_pfn) { unsigned long pgdat_start_pfn = pgdat->node_start_pfn; unsigned long pgdat_end_pfn = pgdat->node_start_pfn + pgdat->node_spanned_pages; unsigned long pfn; struct mem_section *ms; int nid = pgdat->node_id...
functions
else if (pgdat_end_pfn == end_pfn) { /* * If the section is biggest section in the pgdat, it need * shrink pgdat->node_spanned_pages. * In this case, we find second biggest valid mem_section for * shrinking zone. */ pfn = find_biggest_section_pfn(nid, NULL, pgdat_start_pfn, start_pfn); ...
functions
void __remove_zone(struct zone *zone, unsigned long start_pfn) { struct pglist_data *pgdat = zone->zone_pgdat; int nr_pages = PAGES_PER_SECTION; int zone_type; unsigned long flags; zone_type = zone - pgdat->node_zones; pgdat_resize_lock(zone->zone_pgdat, &flags); shrink_zone_span(zone, start_pfn, start_pfn + n...
functions
int __remove_section(struct zone *zone, struct mem_section *ms) { unsigned long start_pfn; int scn_nr; int ret = -EINVAL; if (!valid_section(ms)) return ret; ret = unregister_memory_section(ms); if (ret) return ret; scn_nr = __section_nr(ms); start_pfn = section_nr_to_pfn(scn_nr); __remove_zone(zone, st...
functions
int __remove_pages(struct zone *zone, unsigned long phys_start_pfn, unsigned long nr_pages) { unsigned long i; int sections_to_remove; resource_size_t start, size; int ret = 0; /* * We can only remove entire sections */ BUG_ON(phys_start_pfn & ~PAGE_SECTION_MASK); BUG_ON(nr_pages % PAGES_PER_SECTION); ...
functions
int set_online_page_callback(online_page_callback_t callback) { int rc = -EINVAL; lock_memory_hotplug(); if (online_page_callback == generic_online_page) { online_page_callback = callback; rc = 0; }
functions
int restore_online_page_callback(online_page_callback_t callback) { int rc = -EINVAL; lock_memory_hotplug(); if (online_page_callback == callback) { online_page_callback = generic_online_page; rc = 0; }
functions
void __online_page_set_limits(struct page *page) { unsigned long pfn = page_to_pfn(page); if (pfn >= num_physpages) num_physpages = pfn + 1; }
functions
void __online_page_increment_counters(struct page *page) { totalram_pages++; #ifdef CONFIG_HIGHMEM if (PageHighMem(page)) totalhigh_pages++; #endif }
functions
void __online_page_free(struct page *page) { ClearPageReserved(page); init_page_count(page); __free_page(page); }
functions
void generic_online_page(struct page *page) { __online_page_set_limits(page); __online_page_increment_counters(page); __online_page_free(page); }
functions
int online_pages_range(unsigned long start_pfn, unsigned long nr_pages, void *arg) { unsigned long i; unsigned long onlined_pages = *(unsigned long *)arg; struct page *page; if (PageReserved(pfn_to_page(start_pfn))) for (i = 0; i < nr_pages; i++) { page = pfn_to_page(start_pfn + i); (*online_page_callbac...
functions
bool can_online_high_movable(struct zone *zone) { return true; }
functions
bool can_online_high_movable(struct zone *zone) { return node_state(zone_to_nid(zone), N_NORMAL_MEMORY); }
functions
void node_states_check_changes_online(unsigned long nr_pages, struct zone *zone, struct memory_notify *arg) { int nid = zone_to_nid(zone); enum zone_type zone_last = ZONE_NORMAL; /* * If we have HIGHMEM or movable node, node_states[N_NORMAL_MEMORY] * contains nodes which have zones of 0...ZONE_NORMAL, * set ...
functions
void node_states_set_node(int node, struct memory_notify *arg) { if (arg->status_change_nid_normal >= 0) node_set_state(node, N_NORMAL_MEMORY); if (arg->status_change_nid_high >= 0) node_set_state(node, N_HIGH_MEMORY); node_set_state(node, N_MEMORY); }
functions
__ref online_pages(unsigned long pfn, unsigned long nr_pages, int online_type) { unsigned long onlined_pages = 0; struct zone *zone; int need_zonelists_rebuild = 0; int nid; int ret; struct memory_notify arg; lock_memory_hotplug(); /* * This doesn't need a lock to do pfn_to_page(). * The section can't be r...
functions
void rollback_node_hotadd(int nid, pg_data_t *pgdat) { arch_refresh_nodedata(nid, NULL); arch_free_nodedata(pgdat); return; }
functions
int mem_online_node(int nid) { pg_data_t *pgdat; int ret; lock_memory_hotplug(); pgdat = hotadd_new_pgdat(nid, 0); if (!pgdat) { ret = -ENOMEM; goto out; }
functions
__ref add_memory(int nid, u64 start, u64 size) { pg_data_t *pgdat = NULL; bool new_pgdat; bool new_node; struct resource *res; int ret; lock_memory_hotplug(); res = register_memory_resource(start, size); ret = -EEXIST; if (!res) goto out; { /* Stupid hack to suppress address-never-null warning */ void ...
functions
int pageblock_free(struct page *page) { return PageBuddy(page) && page_order(page) >= pageblock_order; }
functions
int is_mem_section_removable(unsigned long start_pfn, unsigned long nr_pages) { struct page *page = pfn_to_page(start_pfn); struct page *end_page = page + nr_pages; /* Check the starting page of each pageblock within the range */ for (; page < end_page; page = next_active_pageblock(page)) { if (!is_pageblock_rem...
functions
int test_pages_in_a_zone(unsigned long start_pfn, unsigned long end_pfn) { unsigned long pfn, sec_end_pfn; struct zone *zone = NULL; struct page *page; int i; for (pfn = start_pfn, sec_end_pfn = SECTION_ALIGN_UP(start_pfn); pfn < end_pfn; pfn = sec_end_pfn + 1, sec_end_pfn += PAGES_PER_SECTION) { /* ...
functions
long scan_lru_pages(unsigned long start, unsigned long end) { unsigned long pfn; struct page *page; for (pfn = start; pfn < end; pfn++) { if (pfn_valid(pfn)) { page = pfn_to_page(pfn); if (PageLRU(page)) return pfn; }
functions
int do_migrate_range(unsigned long start_pfn, unsigned long end_pfn) { unsigned long pfn; struct page *page; int move_pages = NR_OFFLINE_AT_ONCE_PAGES; int not_managed = 0; int ret = 0; LIST_HEAD(source); for (pfn = start_pfn; pfn < end_pfn && move_pages > 0; pfn++) { if (!pfn_valid(pfn)) continue; page ...
functions
int offline_isolated_pages_cb(unsigned long start, unsigned long nr_pages, void *data) { __offline_isolated_pages(start, start + nr_pages); return 0; }
functions
void offline_isolated_pages(unsigned long start_pfn, unsigned long end_pfn) { walk_system_ram_range(start_pfn, end_pfn - start_pfn, NULL, offline_isolated_pages_cb); }
functions
int check_pages_isolated_cb(unsigned long start_pfn, unsigned long nr_pages, void *data) { int ret; long offlined = *(long *)data; ret = test_pages_isolated(start_pfn, start_pfn + nr_pages, true); offlined = nr_pages; if (!ret) *(long *)data += offlined; return ret; }
functions
long check_pages_isolated(unsigned long start_pfn, unsigned long end_pfn) { long offlined = 0; int ret; ret = walk_system_ram_range(start_pfn, end_pfn - start_pfn, &offlined, check_pages_isolated_cb); if (ret < 0) offlined = (long)ret; return offlined; }
functions
bool can_offline_normal(struct zone *zone, unsigned long nr_pages) { return true; }
functions
bool can_offline_normal(struct zone *zone, unsigned long nr_pages) { struct pglist_data *pgdat = zone->zone_pgdat; unsigned long present_pages = 0; enum zone_type zt; for (zt = 0; zt <= ZONE_NORMAL; zt++) present_pages += pgdat->node_zones[zt].present_pages; if (present_pages > nr_pages) return true; prese...
functions
void node_states_check_changes_offline(unsigned long nr_pages, struct zone *zone, struct memory_notify *arg) { struct pglist_data *pgdat = zone->zone_pgdat; unsigned long present_pages = 0; enum zone_type zt, zone_last = ZONE_NORMAL; /* * If we have HIGHMEM or movable node, node_states[N_NORMAL_MEMORY] * con...
functions
void node_states_clear_node(int node, struct memory_notify *arg) { if (arg->status_change_nid_normal >= 0) node_clear_state(node, N_NORMAL_MEMORY); if ((N_MEMORY != N_NORMAL_MEMORY) && (arg->status_change_nid_high >= 0)) node_clear_state(node, N_HIGH_MEMORY); if ((N_MEMORY != N_HIGH_MEMORY) && (arg->...
functions
__ref __offline_pages(unsigned long start_pfn, unsigned long end_pfn, unsigned long timeout) { unsigned long pfn, nr_pages, expire; long offlined_pages; int ret, drain, retry_max, node; struct zone *zone; struct memory_notify arg; BUG_ON(start_pfn >= end_pfn); /* at least, alignment against pageblock is nec...
functions
int offline_pages(unsigned long start_pfn, unsigned long nr_pages) { return __offline_pages(start_pfn, start_pfn + nr_pages, 120 * HZ); }
functions
int offline_memory_block_cb(struct memory_block *mem, void *arg) { int *ret = arg; int error = offline_memory_block(mem); if (error != 0 && *ret == 0) *ret = error; return 0; }
functions
int is_memblock_offlined_cb(struct memory_block *mem, void *arg) { int ret = !is_memblock_offlined(mem); if (unlikely(ret)) { phys_addr_t beginpa, endpa; beginpa = PFN_PHYS(section_nr_to_pfn(mem->start_section_nr)); endpa = PFN_PHYS(section_nr_to_pfn(mem->end_section_nr + 1))-1; pr_warn("removing memory fai...
functions
int check_cpu_on_node(void *data) { struct pglist_data *pgdat = data; int cpu; for_each_present_cpu(cpu) { if (cpu_to_node(cpu) == pgdat->node_id) /* * the cpu on this node isn't removed, and we can't * offline this node. */ return -EBUSY; }
functions
void unmap_cpu_on_node(void *data) { #ifdef CONFIG_ACPI_NUMA struct pglist_data *pgdat = data; int cpu; for_each_possible_cpu(cpu) if (cpu_to_node(cpu) == pgdat->node_id) numa_clear_node(cpu); #endif }
functions
int check_and_unmap_cpu_on_node(void *data) { int ret = check_cpu_on_node(data); if (ret) return ret; /* * the node will be offlined when we come here, so we can clear * the cpu_to_node() now. */ unmap_cpu_on_node(data); return 0; }
functions
void try_offline_node(int nid) { pg_data_t *pgdat = NODE_DATA(nid); unsigned long start_pfn = pgdat->node_start_pfn; unsigned long end_pfn = start_pfn + pgdat->node_spanned_pages; unsigned long pfn; struct page *pgdat_page = virt_to_page(pgdat); int i; for (pfn = start_pfn; pfn < end_pfn; pfn += PAGES_PER_SECTI...
functions
__ref remove_memory(int nid, u64 start, u64 size) { unsigned long start_pfn, end_pfn; int ret = 0; int retry = 1; start_pfn = PFN_DOWN(start); end_pfn = PFN_UP(start + size - 1); /* * When CONFIG_MEMCG is on, one memory block may be used by other * blocks to store page cgroup when onlining pages. But we don...
functions
int offline_pages(unsigned long start_pfn, unsigned long nr_pages) { return -EINVAL; }
functions
int remove_memory(int nid, u64 start, u64 size) { return -EINVAL; }
structs
struct hdhomerun_channelscan_t { struct hdhomerun_device_t *hd; uint32_t scanned_channels; struct hdhomerun_channel_list_t *channel_list; struct hdhomerun_channel_entry_t *next_channel; };
functions
void channelscan_destroy(struct hdhomerun_channelscan_t *scan) { free(scan); }
functions
int channelscan_find_lock(struct hdhomerun_channelscan_t *scan, uint32_t frequency, struct hdhomerun_channelscan_result_t *result) { /* Set channel. */ char channel_str[64]; sprintf(channel_str, "auto:%ld", (unsigned long)frequency); int ret = hdhomerun_device_set_tuner_channel(scan->hd, channel_str); if (...
functions
void channelscan_extract_name(struct hdhomerun_channelscan_program_t *program, const char *line) { /* Find start of name. */ const char *start = strchr(line, ' '); if (!start) { return; }
functions
int channelscan_detect_programs(struct hdhomerun_channelscan_t *scan, struct hdhomerun_channelscan_result_t *result, bool_t *pchanged, bool_t *pincomplete) { *pchanged = FALSE; *pincomplete = FALSE; char *streaminfo; int ret = hdhomerun_device_get_tuner_streaminfo(scan->hd, &streaminfo); if (ret <= 0) { ...
functions
int channelscan_advance(struct hdhomerun_channelscan_t *scan, struct hdhomerun_channelscan_result_t *result) { memset(result, 0, sizeof(struct hdhomerun_channelscan_result_t)); struct hdhomerun_channel_entry_t *entry = scan->next_channel; if (!entry) { return 0; }
functions
int channelscan_detect(struct hdhomerun_channelscan_t *scan, struct hdhomerun_channelscan_result_t *result) { scan->scanned_channels++; /* Find lock. */ int ret = channelscan_find_lock(scan, result->frequency, result); if (ret <= 0) { return ret; }
functions
uint8_t channelscan_get_progress(struct hdhomerun_channelscan_t *scan) { struct hdhomerun_channel_entry_t *entry = scan->next_channel; if (!entry) { return 100; }
includes
#include <assert.h>
includes
#include <stdio.h>
includes
#include <stdlib.h>
functions
machine_reg args_map_alloc_gpr(int gpr) { switch (gpr) { case 0: return MACH_REG_RDI; case 1: return MACH_REG_RSI; case 2: return MACH_REG_RDX; case 3: return MACH_REG_RCX; case 4: return MACH_REG_R8; case 5: return MACH_REG_R9; default: assert(gpr > 5); return MACH_REG_UNASSIGNED; }
functions
machine_reg args_map_alloc_xmm(int xmm) { switch (xmm) { case 0: return MACH_REG_XMM0; case 1: return MACH_REG_XMM1; case 2: return MACH_REG_XMM2; case 3: return MACH_REG_XMM3; case 4: return MACH_REG_XMM4; case 5: return MACH_REG_XMM5; case 6: return MACH_REG_XMM6; case 7: return MACH_REG_XMM7...
functions
void args_map_dup_slot(struct vm_args_map *orig, int *st) { struct vm_args_map *new = &orig[1]; new->reg = orig->reg; new->type = orig->type; if (orig->stack_index == -1) new->stack_index = -1; else new->stack_index = (*st)++; (*st)++; }
functions
void args_map_assign(struct vm_args_map *map, enum vm_type vm_type, int *gpr_count, int *stack_count) { map->type = vm_type; if (*gpr_count < 6) { map->reg = args_map_alloc_gpr((*gpr_count)++); map->stack_index = -1; }
functions
int args_map_init(struct vm_method *method) { struct vm_method_arg *arg; enum vm_type vm_type; int idx = 0; int gpr_count = 0, xmm_count = 0, stack_count = 0; struct vm_args_map *map; size_t size; /* If the method isn't static, we have a *this. */ size = method->args_count + !vm_method_is_static(method); if ...
includes
#include <string.h>
includes
#include <gst/base/gsttypefindhelper.h>
includes
#include <gst/glib-compat-private.h>
defines
#define GLIB_DISABLE_DEPRECATION_WARNINGS
defines
#define GST_CAT_DEFAULT gst_hls_demux_debug