Re: [PATCH v2] mm/oom_kill: remove unreachable __GFP_THISNODE check in constrained_alloc()

[Shakeel Butt]

On Thu, Aug 13, 2026 at 05:38:09PM +0800, Ye Liu wrote:
> From: Ye Liu <liuye@xxxxxxxxxx>
> 
> The __GFP_THISNODE check in constrained_alloc() is dead code: global
> OOM is never triggered with __GFP_THISNODE (blocked in
> __alloc_pages_may_oom before out_of_memory() is called), and memcg OOM
> returns CONSTRAINT_MEMCG at the top of the function before reaching
> this point. Remove the check, its stale comment, and update the
> following comment that referenced __GFP_THISNODE.
> 
> Signed-off-by: Ye Liu <liuye@xxxxxxxxxx>

Acked-by: Shakeel Butt <shakeel.butt@xxxxxxxxx>