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Commit bfe3637f authored by Vijayanand Jitta's avatar Vijayanand Jitta Committed by Prakash Gupta
Browse files

mm: introduce NR_UNRECLAIMABLE_PAGES 



Introduce NR_UNRECLAIMABLE_PAGES memory counter which accounts
the pages that cannot be reclaimed under memory pressure.

Change-Id: I9afe50537b0d3c2e7ffc07916b23cce4329e3679
Signed-off-by: default avatarVijayanand Jitta <vjitta@codeaurora.org>
[guptap@codeaurora.org: split resident_page_types change]
Signed-off-by: default avatarPrakash Gupta <guptap@codeaurora.org>
parent c99ba85d

include/linux/mmzone.h

+3 −0
Original line number Diff line number Diff line
@@ -259,6 +259,9 @@ enum node_stat_item { 
	NR_DIRTIED,		/* page dirtyings since bootup */

	NR_WRITTEN,		/* page writings since bootup */

	NR_KERNEL_MISC_RECLAIMABLE,	/* reclaimable non-slab kernel pages */

#ifdef CONFIG_MM_STAT_UNRECLAIMABLE_PAGES

	NR_UNRECLAIMABLE_PAGES,

#endif

	NR_VM_NODE_STAT_ITEMS

};

mm/vmstat.c

+3 −0
Original line number Diff line number Diff line
@@ -1170,6 +1170,9 @@ const char * const vmstat_text[] = { 
	"nr_dirtied",

	"nr_written",

	"nr_kernel_misc_reclaimable",

#ifdef CONFIG_MM_STAT_UNRECLAIMABLE_PAGES

	"nr_unreclaimable_pages",

#endif



	/* enum writeback_stat_item counters */

	"nr_dirty_threshold",