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: liuhailong <liuhailong@oppo.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
liuhailong 2021-09-02 14:53:01 -07:00 committed by Linus Torvalds
parent 4f3eaf452a
commit eb2169cee3

View File

@ -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));