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Searched refs:page_ext (Results 1 – 10 of 10) sorted by path

/linux/Documentation/admin-guide/
H A Dkernel-parameters.txt1538 early_page_ext [KNL,EARLY] Enforces page_ext initialization to earlier
/linux/include/linux/
H A Dmmzone.h1297 struct page_ext *node_page_ext;
1801 struct page_ext;
1823 struct page_ext *page_ext; member
H A Dpage_ext.h12 * struct page_ext_operations - per page_ext client operations
13 * @offset: Offset to the client's data within page_ext. Offset is returned to
15 * @size: The size of the client data within page_ext.
16 * @need: Function that returns true if client requires page_ext.
18 * @need_shared_flags: True when client is using shared page_ext->flags
46 * A page_ext page is associated with every page descriptor. The
47 * page_ext helps us add more information about the page.
48 * All page_ext are allocated at boot or memory hotplug event,
49 * then the page_ext for pfn always exists.
51 struct page_ext {
52 struct page_ext { global() struct
56 flagspage_ext global() argument
84 page_ext_data(struct page_ext * page_ext,struct page_ext_operations * ops) page_ext_data() argument
126 page_ext_put(struct page_ext * page_ext) page_ext_put() argument
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H A Dpage_idle.h7 #include <linux/page_ext.h>
16 struct page_ext *page_ext = page_ext_get(&folio->page); in folio_test_young()
19 if (unlikely(!page_ext)) in folio_test_young()
22 page_young = test_bit(PAGE_EXT_YOUNG, &page_ext->flags); in folio_test_young()
23 page_ext_put(page_ext); in folio_test_young()
30 struct page_ext *page_ext = page_ext_get(&folio->page); in folio_set_young()
32 if (unlikely(!page_ext)) in folio_set_young() local
35 set_bit(PAGE_EXT_YOUNG, &page_ext in folio_set_young()
18 struct page_ext *page_ext = page_ext_get(&folio->page); folio_test_young() local
43 struct page_ext *page_ext = page_ext_get(&folio->page); folio_test_clear_young() local
57 struct page_ext *page_ext = page_ext_get(&folio->page); folio_test_idle() local
71 struct page_ext *page_ext = page_ext_get(&folio->page); folio_set_idle() local
82 struct page_ext *page_ext = page_ext_get(&folio->page); folio_clear_idle() local
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/linux/mm/
H A DMakefile119 obj-$(CONFIG_PAGE_EXTENSION) += page_ext.o
H A Dpage_ext.c5 #include <linux/page_ext.h>
49 * When need callback returns true, page_ext checks if there is a request for
51 * extra space is allocated for each page_ext entry and offset is returned to
100 * To ensure correct allocation tagging for pages, page_ext should be available
102 * allocated before page_ext initialization and missing tags will be flagged. in invoke_need_callbacks()
124 page_ext_size = sizeof(struct page_ext); in invoke_need_callbacks()
152 static inline struct page_ext *get_entry(void *base, unsigned long index) in pgdat_page_ext_init()
168 static struct page_ext *lookup_page_ext(const struct page *page) in lookup_page_ext()
172 struct page_ext *base; in lookup_page_ext()
178 * page can reach here before the page_ext array in alloc_node_page_ext()
229 page_ext_invalid(struct page_ext * page_ext) page_ext_invalid() argument
238 struct page_ext *page_ext = READ_ONCE(section->page_ext); lookup_page_ext() local
506 struct page_ext *page_ext; page_ext_get() local
528 page_ext_put(struct page_ext * page_ext) page_ext_put() argument
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H A Dpage_owner.c141 static inline struct page_owner *get_page_owner(struct page_ext *page_ext) in get_page_owner() argument
143 return page_ext_data(page_ext, &page_owner_ops); in get_page_owner()
232 static inline void __update_page_owner_handle(struct page_ext *page_ext, in dec_stack_record_count()
243 page_owner = get_page_owner(page_ext); in __update_page_owner_handle()
253 __set_bit(PAGE_EXT_OWNER, &page_ext->flags); in __update_page_owner_handle()
254 __set_bit(PAGE_EXT_OWNER_ALLOCATED, &page_ext->flags); in __update_page_owner_handle()
255 page_ext = page_ext_next(page_ext); in __update_page_owner_handle()
237 __update_page_owner_handle(struct page_ext * page_ext,depot_stack_handle_t handle,unsigned short order,gfp_t gfp_mask,short last_migrate_reason,u64 ts_nsec,pid_t pid,pid_t tgid,char * comm) __update_page_owner_handle() argument
264 __update_page_owner_free_handle(struct page_ext * page_ext,depot_stack_handle_t handle,unsigned short order,pid_t pid,pid_t tgid,u64 free_ts_nsec) __update_page_owner_free_handle() argument
289 struct page_ext *page_ext; __reset_page_owner() local
321 struct page_ext *page_ext; __set_page_owner() local
339 struct page_ext *page_ext = page_ext_get(page); __set_page_owner_migrate_reason() local
353 struct page_ext *page_ext = page_ext_get(page); __split_page_owner() local
422 struct page_ext *page_ext; pagetypeinfo_showmixedcount_print() local
600 struct page_ext *page_ext = page_ext_get((void *)page); __dump_page_owner() local
657 struct page_ext *page_ext; read_page_owner() local
789 struct page_ext *page_ext; init_pages_in_zone() local
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H A Dpage_table_check.c53 static struct page_table_check *get_page_table_check(struct page_ext *page_ext) in get_page_table_check()
55 BUG_ON(!page_ext); in get_page_table_check()
56 return page_ext_data(page_ext, &page_table_check_ops);
65 struct page_ext *page_ext; in page_table_check_clear()
74 page_ext = page_ext_get(page); in page_table_check_clear()
80 struct page_table_check *ptc = get_page_table_check(page_ext); in page_table_check_clear()
89 page_ext = page_ext_next(page_ext); in page_table_check_clear()
51 get_page_table_check(struct page_ext * page_ext) get_page_table_check() argument
63 struct page_ext *page_ext; page_table_check_clear() local
100 struct page_ext *page_ext; page_table_check_set() local
135 struct page_ext *page_ext; __page_table_check_zero() local
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/linux/scripts/gdb/linux/
H A Dconstants.py.in21 #include <linux/page_ext.h>
103 /* linux/page_ext.h */
H A Dpage_owner.py69 def page_ext_invalid(self, page_ext): argument
70 if page_ext == gdb.Value(0):
72 if page_ext.cast(utils.get_ulong_type()) & PAGE_EXT_INVALID == PAGE_EXT_INVALID:
82 page_ext = section["page_ext"]
83 if self.page_ext_invalid(page_ext):
85 return self.get_entry(page_ext, pfn)
88 page_ext = self.lookup_page_ext(page)
89 if page_ext != gdb.Value(0):
90 return page_ext
94 def get_page_owner(self, page_ext): argument
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