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Commit 71de1ccb authored by KOSAKI Motohiro's avatar KOSAKI Motohiro Committed by Linus Torvalds
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mm: oom analysis: add buffer cache information to show_free_areas() 



It is often useful to know the statistics for all pages that are handled
like page cache pages when looking at OOM log output.

Therefore show_free_areas() should also display buffer cache statistics.

Signed-off-by: default avatarKOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: default avatarWu Fengguang <fengguang.wu@intel.com>
Reviewed-by: default avatarRik van Riel <riel@redhat.com>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 4a0aa73f

mm/page_alloc.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -2137,7 +2137,7 @@ void show_free_areas(void) 
	printk("Active_anon:%lu active_file:%lu inactive_anon:%lu\n"

	printk("Active_anon:%lu active_file:%lu inactive_anon:%lu\n"

		" inactive_file:%lu"

		" inactive_file:%lu"

		" unevictable:%lu"

		" unevictable:%lu"

		" dirty:%lu writeback:%lu unstable:%lu\n"

		" dirty:%lu writeback:%lu unstable:%lu buffer:%lu\n"

		" free:%lu slab_reclaimable:%lu slab_unreclaimable:%lu\n"

		" free:%lu slab_reclaimable:%lu slab_unreclaimable:%lu\n"

		" mapped:%lu pagetables:%lu bounce:%lu\n",

		" mapped:%lu pagetables:%lu bounce:%lu\n",

		global_page_state(NR_ACTIVE_ANON),

		global_page_state(NR_ACTIVE_ANON),
@@ -2148,6 +2148,7 @@ void show_free_areas(void) 
		global_page_state(NR_FILE_DIRTY),

		global_page_state(NR_FILE_DIRTY),

		global_page_state(NR_WRITEBACK),

		global_page_state(NR_WRITEBACK),

		global_page_state(NR_UNSTABLE_NFS),

		global_page_state(NR_UNSTABLE_NFS),

		nr_blockdev_pages(),

		global_page_state(NR_FREE_PAGES),

		global_page_state(NR_FREE_PAGES),

		global_page_state(NR_SLAB_RECLAIMABLE),

		global_page_state(NR_SLAB_RECLAIMABLE),

		global_page_state(NR_SLAB_UNRECLAIMABLE),

		global_page_state(NR_SLAB_UNRECLAIMABLE),