From: gaoxu <gaoxu2@honor.com> mainline inclusion from mainline-v6.16-rc1 commit 4f219913c1368a372b07832451cb86ea3a1df31c category: other bugzilla: https://gitee.com/openeuler/kernel/issues/ID65M0 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?i... -------------------------------- commit c928807f6f6b6("mm/page_alloc: keep track of free highatomic") adds a new variable nr_free_highatomic, which is useful for analyzing low mem issues. add nr_free_highatomic in show_free_areas. Signed-off-by: gao xu <gaoxu2@honor.com> Link: https://lkml.kernel.org/r/d92eeff74f7a4578a14ac777cfe3603a@honor.com Acked-by: David Hildenbrand <david@redhat.com> Reviewed-by: Barry Song <baohua@kernel.org> Acked-by: David Rientjes <rientjes@google.com> Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com> Cc: Mike Rapoport <rppt@kernel.org> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Yu Zhao <yuzhao@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jinjiang Tu <tujinjiang@huawei.com> --- mm/show_mem.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/show_mem.c b/mm/show_mem.c index a5608c697d15..23cb66ac712c 100644 --- a/mm/show_mem.c +++ b/mm/show_mem.c @@ -314,6 +314,7 @@ static void show_free_areas(unsigned int filter, nodemask_t *nodemask, int max_z " low:%lukB" " high:%lukB" " reserved_highatomic:%luKB" + " free_highatomic:%luKB" " active_anon:%lukB" " inactive_anon:%lukB" " active_file:%lukB" @@ -335,6 +336,7 @@ static void show_free_areas(unsigned int filter, nodemask_t *nodemask, int max_z K(low_wmark_pages(zone)), K(high_wmark_pages(zone)), K(zone->nr_reserved_highatomic), + K(zone->nr_free_highatomic), K(zone_page_state(zone, NR_ZONE_ACTIVE_ANON)), K(zone_page_state(zone, NR_ZONE_INACTIVE_ANON)), K(zone_page_state(zone, NR_ZONE_ACTIVE_FILE)), -- 2.43.0