linux-kernel - Re: [PATCH 4/8] proc: Optimise smaps for shmem entries

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Message-ID: <20200826142427.GC988805@cmpxchg.org>
Date:   Wed, 26 Aug 2020 10:24:27 -0400
From:   Johannes Weiner <hannes@...xchg.org>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
        Hugh Dickins <hughd@...gle.com>,
        William Kucharski <william.kucharski@...cle.com>,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Alexey Dobriyan <adobriyan@...il.com>,
        Chris Wilson <chris@...is-wilson.co.uk>,
        Matthew Auld <matthew.auld@...el.com>,
        Huang Ying <ying.huang@...el.com>,
        intel-gfx@...ts.freedesktop.org, cgroups@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/8] proc: Optimise smaps for shmem entries

On Wed, Aug 19, 2020 at 07:48:46PM +0100, Matthew Wilcox (Oracle) wrote:
> Avoid bumping the refcount on pages when we're only interested in the
> swap entries.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org>

Acked-by: Johannes Weiner <hannes@...xchg.org>