On Wed, Oct 14, 2015 at 10:57:59AM +0900, Sergey Senozhatsky wrote:
> We don't let user to disable shrinker in zsmalloc (once
> it's been enabled), so no need to check ->shrinker_enabled
> in zs_shrinker_count(), at the moment at least.
I'm in favor of removing shrinker disable feature with this patch(
although we didn't implement it yet) because if there is some problem
of compaction, we should reveal and fix it without hiding with the
feature.
One thing I want is if we decide it, let's remove all things
about shrinker_enabled(ie, variable).
If we might need it later, we could introduce it easily.
Thanks.
>
> Signed-off-by: Sergey Senozhatsky <sergey.senozhat...@gmail.com>
> ---
> mm/zsmalloc.c | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
> index 7ad5e54..8ba247d 100644
> --- a/mm/zsmalloc.c
> +++ b/mm/zsmalloc.c
> @@ -1822,9 +1822,6 @@ static unsigned long zs_shrinker_count(struct shrinker
> *shrinker,
> struct zs_pool *pool = container_of(shrinker, struct zs_pool,
> shrinker);
>
> - if (!pool->shrinker_enabled)
> - return 0;
> -
> for (i = zs_size_classes - 1; i >= 0; i--) {
> class = pool->size_class[i];
> if (!class)
> --
> 2.6.1.134.g4b1fd35
>
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