| /kernel/linux/linux-5.10/mm/ |
| D | percpu-vm.c | 22 * pcpu_get_pages - get temp pages array
29 * Pointer to temp pages array on success.
33 static struct page **pages; in pcpu_get_pages() local
34 size_t pages_size = pcpu_nr_units * pcpu_unit_pages * sizeof(pages[0]); in pcpu_get_pages()
38 if (!pages) in pcpu_get_pages()
39 pages = pcpu_mem_zalloc(pages_size, GFP_KERNEL); in pcpu_get_pages()
40 return pages; in pcpu_get_pages()
44 * pcpu_free_pages - free pages which were allocated for @chunk
45 * @chunk: chunk pages were allocated for
46 * @pages: array of pages to be freed, indexed by pcpu_page_idx()
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| D | balloon_compaction.c | 5 * Common interface for making balloon pages movable by compaction.
30 * balloon_page_list_enqueue() - inserts a list of pages into the balloon page
33 * @pages: pages to enqueue - allocated using balloon_page_alloc.
35 * Driver must call this function to properly enqueue balloon pages before
38 * Return: number of pages that were enqueued.
41 struct list_head *pages) in balloon_page_list_enqueue() argument
48 list_for_each_entry_safe(page, tmp, pages, lru) { in balloon_page_list_enqueue()
59 * balloon_page_list_dequeue() - removes pages from balloon's page list and
60 * returns a list of the pages.
62 * @pages: pointer to the list of pages that would be returned to the caller.
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| D | gup.c | 83 * So now that the head page is stable, recheck that the pages still in try_get_compound_head()
234 * Pages that were pinned via pin_user_pages*() must be released via either
236 * that such pages can be separately tracked and uniquely handled. In
246 * unpin_user_pages_dirty_lock() - release and optionally dirty gup-pinned pages
247 * @pages: array of pages to be maybe marked dirty, and definitely released.
248 * @npages: number of pages in the @pages array.
249 * @make_dirty: whether to mark the pages dirty
254 * For each page in the @pages array, make that page (or its head page, if a
256 * listed as clean. In any case, releases all pages using unpin_user_page(),
267 void unpin_user_pages_dirty_lock(struct page **pages, unsigned long npages, in unpin_user_pages_dirty_lock() argument
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| /kernel/linux/linux-4.19/mm/ |
| D | percpu-vm.c | 23 * pcpu_get_pages - get temp pages array
30 * Pointer to temp pages array on success.
34 static struct page **pages; in pcpu_get_pages() local
35 size_t pages_size = pcpu_nr_units * pcpu_unit_pages * sizeof(pages[0]); in pcpu_get_pages()
39 if (!pages) in pcpu_get_pages()
40 pages = pcpu_mem_zalloc(pages_size, GFP_KERNEL); in pcpu_get_pages()
41 return pages; in pcpu_get_pages()
45 * pcpu_free_pages - free pages which were allocated for @chunk
46 * @chunk: chunk pages were allocated for
47 * @pages: array of pages to be freed, indexed by pcpu_page_idx()
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| /kernel/linux/linux-4.19/net/ceph/ |
| D | pagevec.c | 14 * build a vector of user pages
19 struct page **pages; in ceph_get_direct_page_vector() local
23 pages = kmalloc_array(num_pages, sizeof(*pages), GFP_NOFS); in ceph_get_direct_page_vector()
24 if (!pages) in ceph_get_direct_page_vector()
30 num_pages - got, write_page, pages + got); in ceph_get_direct_page_vector()
38 return pages; in ceph_get_direct_page_vector()
41 ceph_put_page_vector(pages, got, false); in ceph_get_direct_page_vector()
46 void ceph_put_page_vector(struct page **pages, int num_pages, bool dirty) in ceph_put_page_vector() argument
52 set_page_dirty_lock(pages[i]); in ceph_put_page_vector()
53 put_page(pages[i]); in ceph_put_page_vector()
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| /kernel/linux/linux-4.19/Documentation/admin-guide/mm/ |
| D | hugetlbpage.rst | 4 HugeTLB Pages
30 persistent hugetlb pages in the kernel's huge page pool. It also displays
32 and surplus huge pages in the pool of huge pages of default size.
48 is the size of the pool of huge pages.
50 is the number of huge pages in the pool that are not yet
53 is short for "reserved," and is the number of huge pages for
55 but no allocation has yet been made. Reserved huge pages
57 huge page from the pool of huge pages at fault time.
59 is short for "surplus," and is the number of huge pages in
61 maximum number of surplus huge pages is controlled by
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| D | ksm.rst | 20 which have been registered with it, looking for pages of identical
23 content). The amount of pages that KSM daemon scans in a single pass
27 KSM only merges anonymous (private) pages, never pagecache (file) pages.
28 KSM's merged pages were originally locked into kernel memory, but can now
29 be swapped out just like other user pages (but sharing is broken when they
47 to cancel that advice and restore unshared pages: whereupon KSM
57 cannot contain any pages which KSM could actually merge; even if
82 how many pages to scan before ksmd goes to sleep
94 specifies if pages from different NUMA nodes can be merged.
95 When set to 0, ksm merges only pages which physically reside
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| /kernel/linux/linux-5.10/Documentation/admin-guide/mm/ |
| D | hugetlbpage.rst | 4 HugeTLB Pages
30 persistent hugetlb pages in the kernel's huge page pool. It also displays
32 and surplus huge pages in the pool of huge pages of default size.
48 is the size of the pool of huge pages.
50 is the number of huge pages in the pool that are not yet
53 is short for "reserved," and is the number of huge pages for
55 but no allocation has yet been made. Reserved huge pages
57 huge page from the pool of huge pages at fault time.
59 is short for "surplus," and is the number of huge pages in
61 maximum number of surplus huge pages is controlled by
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| D | ksm.rst | 20 which have been registered with it, looking for pages of identical
23 content). The amount of pages that KSM daemon scans in a single pass
27 KSM only merges anonymous (private) pages, never pagecache (file) pages.
28 KSM's merged pages were originally locked into kernel memory, but can now
29 be swapped out just like other user pages (but sharing is broken when they
47 to cancel that advice and restore unshared pages: whereupon KSM
57 cannot contain any pages which KSM could actually merge; even if
82 how many pages to scan before ksmd goes to sleep
94 specifies if pages from different NUMA nodes can be merged.
95 When set to 0, ksm merges only pages which physically reside
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| /kernel/linux/linux-5.10/net/ceph/ |
| D | pagevec.c | 13 void ceph_put_page_vector(struct page **pages, int num_pages, bool dirty) in ceph_put_page_vector() argument
19 set_page_dirty_lock(pages[i]); in ceph_put_page_vector()
20 put_page(pages[i]); in ceph_put_page_vector()
22 kvfree(pages); in ceph_put_page_vector()
26 void ceph_release_page_vector(struct page **pages, int num_pages) in ceph_release_page_vector() argument
31 __free_pages(pages[i], 0); in ceph_release_page_vector()
32 kfree(pages); in ceph_release_page_vector()
37 * allocate a vector new pages
41 struct page **pages; in ceph_alloc_page_vector() local
44 pages = kmalloc_array(num_pages, sizeof(*pages), flags); in ceph_alloc_page_vector()
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| /kernel/linux/linux-5.10/Documentation/vm/ |
| D | unevictable-lru.rst | 15 pages.
30 pages and to hide these pages from vmscan. This mechanism is based on a patch
36 main memory will have over 32 million 4k pages in a single zone. When a large
37 fraction of these pages are not evictable for any reason [see below], vmscan
39 of pages that are evictable. This can result in a situation where all CPUs are
43 The unevictable list addresses the following classes of unevictable pages:
51 The infrastructure may also be able to handle other conditions that make pages
66 The Unevictable LRU infrastructure maintains unevictable pages on an additional
69 (1) We get to "treat unevictable pages just like we treat other pages in the
74 (2) We want to be able to migrate unevictable pages between nodes for memory
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| D | zswap.rst | 10 Zswap is a lightweight compressed cache for swap pages. It takes pages that are
34 Zswap evicts pages from compressed cache on an LRU basis to the backing swap
48 When zswap is disabled at runtime it will stop storing pages that are
50 back into memory all of the pages stored in the compressed pool. The
51 pages stored in zswap will remain in the compressed pool until they are
53 pages out of the compressed pool, a swapoff on the swap device(s) will
54 fault back into memory all swapped out pages, including those in the
60 Zswap receives pages for compression through the Frontswap API and is able to
61 evict pages from its own compressed pool on an LRU basis and write them back to
68 pages are freed. The pool is not preallocated. By default, a zpool
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| /kernel/linux/linux-4.19/Documentation/vm/ |
| D | unevictable-lru.rst | 15 pages.
30 pages and to hide these pages from vmscan. This mechanism is based on a patch
36 main memory will have over 32 million 4k pages in a single zone. When a large
37 fraction of these pages are not evictable for any reason [see below], vmscan
39 of pages that are evictable. This can result in a situation where all CPUs are
43 The unevictable list addresses the following classes of unevictable pages:
51 The infrastructure may also be able to handle other conditions that make pages
66 The Unevictable LRU infrastructure maintains unevictable pages on an additional
69 (1) We get to "treat unevictable pages just like we treat other pages in the
74 (2) We want to be able to migrate unevictable pages between nodes for memory
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| D | zswap.rst | 10 Zswap is a lightweight compressed cache for swap pages. It takes pages that are
34 Zswap evicts pages from compressed cache on an LRU basis to the backing swap
46 When zswap is disabled at runtime it will stop storing pages that are
48 back into memory all of the pages stored in the compressed pool. The
49 pages stored in zswap will remain in the compressed pool until they are
51 pages out of the compressed pool, a swapoff on the swap device(s) will
52 fault back into memory all swapped out pages, including those in the
58 Zswap receives pages for compression through the Frontswap API and is able to
59 evict pages from its own compressed pool on an LRU basis and write them back to
66 pages are freed. The pool is not preallocated. By default, a zpool
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| /kernel/linux/linux-4.19/drivers/gpu/drm/ttm/ |
| D | ttm_page_alloc.c | 29 * - Pool collects resently freed pages for reuse
31 * - doesn't track currently in use pages
59 * struct ttm_page_pool - Pool to reuse recently allocated uc/wc pages.
65 * @list: Pool of free uc/wc pages for fast reuse.
67 * @npages: Number of pages in pool.
100 * @free_interval: minimum number of jiffies between freeing pages from pool.
103 * some pages to free.
104 * @small_allocation: Limit in number of pages what is small allocation.
164 /* Convert kb to number of pages */ in ttm_pool_store()
246 /* set memory back to wb and free the pages. */
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| /kernel/linux/linux-5.10/drivers/gpu/drm/ttm/ |
| D | ttm_page_alloc.c | 29 * - Pool collects resently freed pages for reuse
31 * - doesn't track currently in use pages
59 * struct ttm_page_pool - Pool to reuse recently allocated uc/wc pages.
65 * @list: Pool of free uc/wc pages for fast reuse.
67 * @npages: Number of pages in pool.
100 * @free_interval: minimum number of jiffies between freeing pages from pool.
103 * some pages to free.
104 * @small_allocation: Limit in number of pages what is small allocation.
164 /* Convert kb to number of pages */ in ttm_pool_store()
246 /* set memory back to wb and free the pages. */
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| /kernel/linux/linux-5.10/include/xen/ |
| D | xen-ops.h | 67 unsigned int domid, bool no_translate, struct page **pages);
72 bool no_translate, struct page **pages) in xen_remap_pfn() argument
87 struct page **pages);
89 int nr, struct page **pages);
100 struct page **pages) in xen_xlate_remap_gfn_array() argument
106 int nr, struct page **pages) in xen_xlate_unmap_gfn_range() argument
117 * @vma: VMA to map the pages into
118 * @addr: Address at which to map the pages
123 * @domid: Domain owning the pages
124 * @pages: Array of pages if this domain has an auto-translated physmap
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| /kernel/linux/linux-4.19/fs/isofs/ |
| D | compress.c | 42 * to one zisofs block. Store the data in the @pages array with @pcount
47 struct page **pages, unsigned poffset, in zisofs_uncompress_block() argument
73 if (!pages[i]) in zisofs_uncompress_block()
75 memset(page_address(pages[i]), 0, PAGE_SIZE); in zisofs_uncompress_block()
76 flush_dcache_page(pages[i]); in zisofs_uncompress_block()
77 SetPageUptodate(pages[i]); in zisofs_uncompress_block()
127 if (pages[curpage]) { in zisofs_uncompress_block()
128 stream.next_out = page_address(pages[curpage]) in zisofs_uncompress_block()
180 if (pages[curpage]) { in zisofs_uncompress_block()
181 flush_dcache_page(pages[curpage]); in zisofs_uncompress_block()
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| /kernel/linux/linux-5.10/fs/isofs/ |
| D | compress.c | 37 * to one zisofs block. Store the data in the @pages array with @pcount
42 struct page **pages, unsigned poffset, in zisofs_uncompress_block() argument
68 if (!pages[i]) in zisofs_uncompress_block()
70 memset(page_address(pages[i]), 0, PAGE_SIZE); in zisofs_uncompress_block()
71 flush_dcache_page(pages[i]); in zisofs_uncompress_block()
72 SetPageUptodate(pages[i]); in zisofs_uncompress_block()
122 if (pages[curpage]) { in zisofs_uncompress_block()
123 stream.next_out = page_address(pages[curpage]) in zisofs_uncompress_block()
175 if (pages[curpage]) { in zisofs_uncompress_block()
176 flush_dcache_page(pages[curpage]); in zisofs_uncompress_block()
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| /kernel/linux/linux-5.10/drivers/gpu/drm/i915/gem/selftests/ |
| D | huge_gem_object.c | 12 struct sg_table *pages) in huge_free_pages() argument
18 for_each_sgt_page(page, sgt_iter, pages) { in huge_free_pages()
24 sg_free_table(pages); in huge_free_pages()
25 kfree(pages); in huge_free_pages()
34 struct sg_table *pages; in huge_get_pages() local
37 pages = kmalloc(sizeof(*pages), GFP); in huge_get_pages()
38 if (!pages) in huge_get_pages()
41 if (sg_alloc_table(pages, npages, GFP)) { in huge_get_pages()
42 kfree(pages); in huge_get_pages()
46 sg = pages->sgl; in huge_get_pages()
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| /kernel/linux/linux-5.10/drivers/gpu/drm/vkms/ |
| D | vkms_gem.c | 37 WARN_ON(gem->pages); in vkms_gem_free_object()
61 if (obj->pages) { in vkms_gem_fault()
62 get_page(obj->pages[page_offset]); in vkms_gem_fault()
63 vmf->page = obj->pages[page_offset]; in vkms_gem_fault()
155 if (!vkms_obj->pages) { in _get_pages()
156 struct page **pages = drm_gem_get_pages(gem_obj); in _get_pages() local
158 if (IS_ERR(pages)) in _get_pages()
159 return pages; in _get_pages()
161 if (cmpxchg(&vkms_obj->pages, NULL, pages)) in _get_pages()
162 drm_gem_put_pages(gem_obj, pages, false, true); in _get_pages()
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| /kernel/linux/linux-4.19/drivers/gpu/drm/xen/ |
| D | xen_drm_front_gem.c | 31 struct page **pages; member
50 xen_obj->pages = kvmalloc_array(xen_obj->num_pages, in gem_alloc_pages_array()
52 return !xen_obj->pages ? -ENOMEM : 0; in gem_alloc_pages_array()
57 kvfree(xen_obj->pages); in gem_free_pages_array()
58 xen_obj->pages = NULL; in gem_free_pages_array()
94 * only allocate array of pointers to pages in gem_create()
101 * allocate ballooned pages which will be used to map in gem_create()
105 xen_obj->pages); in gem_create()
107 DRM_ERROR("Cannot allocate %zu ballooned pages: %d\n", in gem_create()
117 * need to allocate backing pages now, so we can share those in gem_create()
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| /kernel/linux/linux-5.10/drivers/gpu/drm/xen/ |
| D | xen_drm_front_gem.c | 30 struct page **pages; member
49 xen_obj->pages = kvmalloc_array(xen_obj->num_pages, in gem_alloc_pages_array()
51 return !xen_obj->pages ? -ENOMEM : 0; in gem_alloc_pages_array()
56 kvfree(xen_obj->pages); in gem_free_pages_array()
57 xen_obj->pages = NULL; in gem_free_pages_array()
93 * only allocate array of pointers to pages in gem_create()
100 * allocate ballooned pages which will be used to map in gem_create()
104 xen_obj->pages); in gem_create()
106 DRM_ERROR("Cannot allocate %zu ballooned pages: %d\n", in gem_create()
116 * need to allocate backing pages now, so we can share those in gem_create()
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| /kernel/linux/linux-4.19/drivers/gpu/drm/i915/selftests/ |
| D | huge_gem_object.c | 28 struct sg_table *pages) in huge_free_pages() argument
33 for (sg = pages->sgl; sg && nreal--; sg = __sg_next(sg)) in huge_free_pages()
36 sg_free_table(pages); in huge_free_pages()
37 kfree(pages); in huge_free_pages()
46 struct sg_table *pages; in huge_get_pages() local
49 pages = kmalloc(sizeof(*pages), GFP); in huge_get_pages()
50 if (!pages) in huge_get_pages()
53 if (sg_alloc_table(pages, npages, GFP)) { in huge_get_pages()
54 kfree(pages); in huge_get_pages()
58 sg = pages->sgl; in huge_get_pages()
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| /kernel/linux/linux-4.19/include/xen/ |
| D | xen-ops.h | 67 * @vma: VMA to map the pages into
68 * @addr: Address at which to map the pages
73 * @domid: Domain owning the pages
74 * @pages: Array of pages if this domain has an auto-translated physmap
87 struct page **pages);
91 * @vma: VMA to map the pages into
92 * @addr: Address at which to map the pages
97 * @domid: Domain owning the pages
98 * @pages: Array of pages if this domain has an auto-translated physmap
109 unsigned int domid, struct page **pages);
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