diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2016-07-27 01:26:10 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-27 02:19:19 +0300 |
| commit | 65c453778aea374a46597f4d9826274d1eaf7338 (patch) | |
| tree | 4210852e253bcea95da5b2973d7be93a535ee3a1 /mm/page_alloc.c | |
| parent | fc127da085c26beb89f83ad804cf73422c3b6855 (diff) | |
| download | linux-65c453778aea374a46597f4d9826274d1eaf7338.tar.xz | |
mm, rmap: account shmem thp pages
Let's add ShmemHugePages and ShmemPmdMapped fields into meminfo and
smaps. It indicates how many times we allocate and map shmem THP.
NR_ANON_TRANSPARENT_HUGEPAGES is renamed to NR_ANON_THPS.
Link: http://lkml.kernel.org/r/1466021202-61880-27-git-send-email-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 847281eb74da..452513bf02ce 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -4312,6 +4312,9 @@ void show_free_areas(unsigned int filter) " unevictable:%lu dirty:%lu writeback:%lu unstable:%lu\n" " slab_reclaimable:%lu slab_unreclaimable:%lu\n" " mapped:%lu shmem:%lu pagetables:%lu bounce:%lu\n" +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + " anon_thp: %lu shmem_thp: %lu shmem_pmdmapped: %lu\n" +#endif " free:%lu free_pcp:%lu free_cma:%lu\n", global_page_state(NR_ACTIVE_ANON), global_page_state(NR_INACTIVE_ANON), @@ -4329,6 +4332,11 @@ void show_free_areas(unsigned int filter) global_page_state(NR_SHMEM), global_page_state(NR_PAGETABLE), global_page_state(NR_BOUNCE), +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + global_page_state(NR_ANON_THPS) * HPAGE_PMD_NR, + global_page_state(NR_SHMEM_THPS) * HPAGE_PMD_NR, + global_page_state(NR_SHMEM_PMDMAPPED) * HPAGE_PMD_NR, +#endif global_page_state(NR_FREE_PAGES), free_pcp, global_page_state(NR_FREE_CMA_PAGES)); @@ -4363,6 +4371,11 @@ void show_free_areas(unsigned int filter) " writeback:%lukB" " mapped:%lukB" " shmem:%lukB" +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + " shmem_thp: %lukB" + " shmem_pmdmapped: %lukB" + " anon_thp: %lukB" +#endif " slab_reclaimable:%lukB" " slab_unreclaimable:%lukB" " kernel_stack:%lukB" @@ -4395,6 +4408,12 @@ void show_free_areas(unsigned int filter) K(zone_page_state(zone, NR_WRITEBACK)), K(zone_page_state(zone, NR_FILE_MAPPED)), K(zone_page_state(zone, NR_SHMEM)), +#ifdef CONFIG_TRANSPARENT_HUGEPAGE + K(zone_page_state(zone, NR_SHMEM_THPS) * HPAGE_PMD_NR), + K(zone_page_state(zone, NR_SHMEM_PMDMAPPED) + * HPAGE_PMD_NR), + K(zone_page_state(zone, NR_ANON_THPS) * HPAGE_PMD_NR), +#endif K(zone_page_state(zone, NR_SLAB_RECLAIMABLE)), K(zone_page_state(zone, NR_SLAB_UNRECLAIMABLE)), zone_page_state(zone, NR_KERNEL_STACK) * |