From: Johannes Weiner <hannes@cmpxchg.org>
To: Michal Hocko <mhocko@kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Mel Gorman <mgorman@suse.de>,
linux-mm@kvack.org, LKML <linux-kernel@vger.kernel.org>,
Alkis Georgopoulos <alkisg@gmail.com>,
Michal Hocko <mhocko@suse.com>
Subject: Re: [PATCH] mm: document highmem_is_dirtyable sysctl
Date: Mon, 26 Jun 2017 11:27:28 -0400 [thread overview]
Message-ID: <20170626152728.GA13340@cmpxchg.org> (raw)
In-Reply-To: <20170626093200.18958-1-mhocko@kernel.org>
On Mon, Jun 26, 2017 at 11:32:00AM +0200, Michal Hocko wrote:
> From: Michal Hocko <mhocko@suse.com>
>
> It seems that there are still people using 32b kernels which a lot of
> memory and the IO tend to suck a lot for them by default. Mostly because
> writers are throttled too when the lowmem is used. We have
> highmem_is_dirtyable to work around that issue but it seems we never
> bothered to document it. Let's do it now, finally.
>
> Cc: Alkis Georgopoulos <alkisg@gmail.com>
> Signed-off-by: Michal Hocko <mhocko@suse.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
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prev parent reply other threads:[~2017-06-26 15:27 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-26 9:32 Michal Hocko
2017-06-26 15:27 ` Johannes Weiner [this message]
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