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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Queue-Id: 9DB5B180003 X-Rspamd-Server: rspam04 X-Stat-Signature: 78tn37xe6oaucwq1uj48jkuzboxbpuhq X-HE-Tag: 1744699215-383741 X-HE-Meta: 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 bLSnnvEh d6bEXC7z/V/DCawloCS7JMRL7Axpsh6JJwLsi3GDJvA7bjRdKroNhZwc2JguqKi8CyFIq/NdXxQOVtTCv3zw7bMKmzCMvZvcLigSpcPf84pHEx3dAUMDBUDWi8o3Dv9KPpPnXTHNUd76cbKH0DLquBVvHe3OldbIjTSPOcV1+4l76XJapGRMGtIXpl6WZ+bF5OC8GxxZEiJwBqJc4IBRboSBI6gRMUYEyF+U6YlOTjSIhS2aOLFLMWfWmNmQes8tMpxf/NBgNtAQwQKLLyNxDu2iUE5OiPwKvHqi4d/SVoQV1GPlY5t8374kHS/Tijyqa0F9xYcl/SgpnHzE6cTmiIs+gLQUJMqRZOZlk X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 4/12/25 14:57, gaoxu wrote: > The 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 > --- > mm/show_mem.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/mm/show_mem.c b/mm/show_mem.c > index ad373b4b6..03e8d968f 100644 > --- a/mm/show_mem.c > +++ b/mm/show_mem.c > @@ -305,6 +305,7 @@ 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" > @@ -326,6 +327,7 @@ 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)), Reviewed-by: Anshuman Khandual