Commit eb2169ce authored by liuhailong's avatar liuhailong Committed by Linus Torvalds
Browse files

mm: add kernel_misc_reclaimable in show_free_areas 

Print NR_KERNEL_MISC_RECLAIMABLE stat from show_free_areas() so users can
check whether the shrinker is working correctly and to show the current
memory usage.

Link: https://lkml.kernel.org/r/20210813104725.4562-1-liuhailong@oppo.com


Signed-off-by: default avatarliuhailong <liuhailong@oppo.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 4f3eaf45

mm/page_alloc.c

+2 −0
Original line number Diff line number Diff line
@@ -5903,6 +5903,7 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask) 
		" unevictable:%lu dirty:%lu writeback:%lu\n"

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

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

		" kernel_misc_reclaimable:%lu\n"

		" free:%lu free_pcp:%lu free_cma:%lu\n",

		global_node_page_state(NR_ACTIVE_ANON),

		global_node_page_state(NR_INACTIVE_ANON),
@@ -5919,6 +5920,7 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask) 
		global_node_page_state(NR_SHMEM),

		global_node_page_state(NR_PAGETABLE),

		global_zone_page_state(NR_BOUNCE),

		global_node_page_state(NR_KERNEL_MISC_RECLAIMABLE),

		global_zone_page_state(NR_FREE_PAGES),

		free_pcp,

		global_zone_page_state(NR_FREE_CMA_PAGES));