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authorLinus Torvalds <torvalds@linux-foundation.org>2017-02-22 19:29:24 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2017-02-22 19:29:24 -0800
commitbc49a7831b1137ce1c2dda1c57e3631655f5d2ae (patch)
tree469380ac3a17e1d927ccf06abc99b6f509deb24a /mm/internal.h
parentbe5165a51d2500ae1afa1236a8b09858831fdf7e (diff)
parentf201ebd87652cf1519792f8662bb3f862c76aa33 (diff)
downloadop-kernel-dev-bc49a7831b1137ce1c2dda1c57e3631655f5d2ae.zip
op-kernel-dev-bc49a7831b1137ce1c2dda1c57e3631655f5d2ae.tar.gz
Merge branch 'akpm' (patches from Andrew)
Merge updates from Andrew Morton: "142 patches: - DAX updates - various misc bits - OCFS2 updates - most of MM" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (142 commits) mm/z3fold.c: limit first_num to the actual range of possible buddy indexes mm: fix <linux/pagemap.h> stray kernel-doc notation zram: remove obsolete sysfs attrs mm/memblock.c: remove unnecessary log and clean up oom-reaper: use madvise_dontneed() logic to decide if unmap the VMA mm: drop unused argument of zap_page_range() mm: drop zap_details::check_swap_entries mm: drop zap_details::ignore_dirty mm, page_alloc: warn_alloc nodemask is NULL when cpusets are disabled mm: help __GFP_NOFAIL allocations which do not trigger OOM killer mm, oom: do not enforce OOM killer for __GFP_NOFAIL automatically mm: consolidate GFP_NOFAIL checks in the allocator slowpath lib/show_mem.c: teach show_mem to work with the given nodemask arch, mm: remove arch specific show_mem mm, page_alloc: warn_alloc print nodemask mm, page_alloc: do not report all nodes in show_mem Revert "mm: bail out in shrink_inactive_list()" mm, vmscan: consider eligible zones in get_scan_count mm, vmscan: cleanup lru size claculations mm, vmscan: do not count freed pages as PGDEACTIVATE ...
Diffstat (limited to 'mm/internal.h')
-rw-r--r--mm/internal.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/mm/internal.h b/mm/internal.h
index 7aa2ea0..8ab72f4 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -43,6 +43,11 @@ int do_swap_page(struct vm_fault *vmf);
void free_pgtables(struct mmu_gather *tlb, struct vm_area_struct *start_vma,
unsigned long floor, unsigned long ceiling);
+static inline bool can_madv_dontneed_vma(struct vm_area_struct *vma)
+{
+ return !(vma->vm_flags & (VM_LOCKED|VM_HUGETLB|VM_PFNMAP));
+}
+
void unmap_page_range(struct mmu_gather *tlb,
struct vm_area_struct *vma,
unsigned long addr, unsigned long end,
@@ -133,9 +138,9 @@ struct alloc_context {
* Assumption: *_mem_map is contiguous at least up to MAX_ORDER
*/
static inline unsigned long
-__find_buddy_index(unsigned long page_idx, unsigned int order)
+__find_buddy_pfn(unsigned long page_pfn, unsigned int order)
{
- return page_idx ^ (1 << order);
+ return page_pfn ^ (1 << order);
}
extern struct page *__pageblock_pfn_to_page(unsigned long start_pfn,
@@ -175,6 +180,8 @@ struct compact_control {
struct list_head migratepages; /* List of pages being migrated */
unsigned long nr_freepages; /* Number of isolated free pages */
unsigned long nr_migratepages; /* Number of pages to migrate */
+ unsigned long total_migrate_scanned;
+ unsigned long total_free_scanned;
unsigned long free_pfn; /* isolate_freepages search base */
unsigned long migrate_pfn; /* isolate_migratepages search base */
unsigned long last_migrated_pfn;/* Not yet flushed page being freed */
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