| From: Andrew Morton <akpm@linux-foundation.org> |
| Subject: memcg-optimize-exit-to-user-space-fix |
| Date: Wed Aug 13 03:38:42 PM PDT 2025 |
| |
| remove now-unneeded test of memcg_nr_pages_over_high==0, per Shakeel |
| |
| Cc: Johannes Weiner <hannes@cmpxchg.org> |
| Cc: Michal Hocko <mhocko@kernel.org> |
| Cc: Muchun Song <muchun.song@linux.dev> |
| Cc: Peter Zijlstra <peterz@infradead.org> |
| Cc: Roman Gushchin <roman.gushchin@linux.dev> |
| Cc: Shakeel Butt <shakeel.butt@linux.dev> |
| Cc: Thomas Gleixner <tglx@linutronix.de> |
| Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
| --- |
| |
| mm/memcontrol.c | 3 --- |
| 1 file changed, 3 deletions(-) |
| |
| --- a/mm/memcontrol.c~memcg-optimize-exit-to-user-space-fix |
| +++ a/mm/memcontrol.c |
| @@ -2213,9 +2213,6 @@ void __mem_cgroup_handle_over_high(gfp_t |
| struct mem_cgroup *memcg; |
| bool in_retry = false; |
| |
| - if (likely(!nr_pages)) |
| - return; |
| - |
| memcg = get_mem_cgroup_from_mm(current->mm); |
| current->memcg_nr_pages_over_high = 0; |
| |
| _ |
