Re: [PATCH v2 0/2] KSM: Optimizations for rmap_walk_ksm

[David Hildenbrand (Arm)]

On 2/6/26 10:56, xu.xin16@xxxxxxxxxx wrote:
> From: xu xin <xu.xin16@xxxxxxxxxx>
>
> There are two perfomance optimization patches for rmap_walk_ksm.
>
> The patch [1/2] move the initializaion of addr from the position inside loop
> to the position before the loop, since the variable will not change in the
> loop.
>
> The patch [2/2] optimize rmap_walk_ksm by passing a suitable page offset range
> to the anon_vma_interval_tree_foreach loop to reduce ineffective checks.
>
> The metric performance is seen at patch[2/2].

For the future, we usually describe what changed between versions 
briefly in the cover letter. Thanks!

--
Cheers,

David