diff options
| author | Haifeng Xu <haifeng.xu@shopee.com> | 2023-05-08 10:35:38 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-06-10 02:25:20 +0300 |
| commit | 4822acb1369637938c1252d534d3356c5e313cde (patch) | |
| tree | e45734fd9773828ef540cf9fdac7e8ccfd37dcc3 | |
| parent | 97de10a9932c363a4e4ee9bb5f2297e254fb1413 (diff) | |
| download | linux-4822acb1369637938c1252d534d3356c5e313cde.tar.xz | |
mm, oom: do not check 0 mask in out_of_memory()
Since commit 60e2793d440a ("mm, oom: do not trigger out_of_memory from the
#PF"), no user sets gfp_mask to 0. Remove the 0 mask check and update the
comments.
Link: https://lkml.kernel.org/r/20230508073538.1168-1-haifeng.xu@shopee.com
Signed-off-by: Haifeng Xu <haifeng.xu@shopee.com>
Acked-by: Michal Hocko <mhocko@suse.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Shakeel Butt <shakeelb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/oom_kill.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 044e1eed720e..612b5597d3af 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -1130,12 +1130,10 @@ bool out_of_memory(struct oom_control *oc) /* * The OOM killer does not compensate for IO-less reclaim. - * pagefault_out_of_memory lost its gfp context so we have to - * make sure exclude 0 mask - all other users should have at least - * ___GFP_DIRECT_RECLAIM to get here. But mem_cgroup_oom() has to - * invoke the OOM killer even if it is a GFP_NOFS allocation. + * But mem_cgroup_oom() has to invoke the OOM killer even + * if it is a GFP_NOFS allocation. */ - if (oc->gfp_mask && !(oc->gfp_mask & __GFP_FS) && !is_memcg_oom(oc)) + if (!(oc->gfp_mask & __GFP_FS) && !is_memcg_oom(oc)) return true; /* |