Re: [PATCH 4/7] zram: use atomic operation for stat

[Andrew Morton]

On Mon, 13 Jan 2014 20:18:59 +0900 Minchan Kim <minchan@xxxxxxxxxx> wrote:

> Some of fields in zram->stats are protected by zram->lock which
> is rather coarse-grained so let's use atomic operation without
> explict locking.

Confused.  The patch didn't remove any locking, so it made the code
slower.

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