Re: [PATCH 1/3] mm/kmemleak: Use _irq lock/unlock variants in kmemleak_scan/_clear()

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On Sun, Jun 12, 2022 at 02:32:59PM -0400, Waiman Long wrote:
> The kmemleak_scan() function is called only from the kmemleak scan
> thread or from write to the kmemleak debugfs file. Both are in task
> context and so we can directly use the simpler _irq() lock/unlock calls
> instead of the more complex _irqsave/_irqrestore variants.
> 
> Similarly, kmemleak_clear() is called only from write to the kmemleak
> debugfs file. The same change can be applied.
> 
> Signed-off-by: Waiman Long <longman@xxxxxxxxxx>

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




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