Re: [PATCH] mm/kmemleak: Prevent soft lockup in kmemleak_scan()'s object iteration loops

[Catalin Marinas]

On Thu, Oct 20, 2022 at 01:56:19PM -0400, Waiman Long wrote:
> Commit 6edda04ccc7c ("mm/kmemleak: prevent soft lockup in first object
> iteration loop of kmemleak_scan()") adds cond_resched() in the first
> object iteration loop of kmemleak_scan(). However, it turns that the
> 2nd objection iteration loop can still cause soft lockup to happen in
> some cases. So add a cond_resched() call in the 2nd and 3rd loops as
> well to prevent that and for completeness.
> 
> Signed-off-by: Waiman Long <longman@xxxxxxxxxx>

Acked-by: Catalin Marinas <catalin.marinas@xxxxxxx>