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From: Mike Frysinger <vapier.adi@gmail.com>
To: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Cc: David Howells <dhowells@redhat.com>,
	torvalds@osdl.org, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org
Subject: Re: [BUGFIX][PATCH] fix sync_mm_rss in nommu (Was Re: sync_mm_rss() issues
Date: Mon, 8 Mar 2010 21:33:22 -0500	[thread overview]
Message-ID: <8bd0f97a1003081833s2e8527d7pd1e0b427ae76020@mail.gmail.com> (raw)
In-Reply-To: <20100309095830.7d4a744d.kamezawa.hiroyu@jp.fujitsu.com>

On Mon, Mar 8, 2010 at 19:58, KAMEZAWA Hiroyuki wrote:
> David-san, could you check this ?
> ==
> From: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
>
> Fix breakage in NOMMU build
>
> commit 34e55232e59f7b19050267a05ff1226e5cd122a5 added sync_mm_rss()
> for syncing loosely accounted rss counters. It's for CONFIG_MMU but
> sync_mm_rss is called even in NOMMU enviroment (kerne/exit.c, fs/exec.c).
> Above commit doesn't handle it well.
>
> This patch changes
>  SPLIT_RSS_COUNTING depends on SPLIT_PTLOCKS && CONFIG_MMU
>
> And for avoid unnecessary function calls, sync_mm_rss changed to be inlined
> noop function in header file.

fixes Blackfin systems ...

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
-mike

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  reply	other threads:[~2010-03-09  2:33 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-08 13:59 sync_mm_rss() issues David Howells
2010-03-08 23:50 ` KAMEZAWA Hiroyuki
2010-03-09  0:58 ` [BUGFIX][PATCH] fix sync_mm_rss in nommu (Was " KAMEZAWA Hiroyuki
2010-03-09  2:33   ` Mike Frysinger [this message]
2010-03-09 11:49     ` Michal Simek
2010-03-09 15:41       ` Christoph Lameter
2010-03-09 15:43         ` Mike Frysinger

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