From: Johannes Weiner <hannes@cmpxchg.org>
To: Greg Thelen <gthelen@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
Wu Fengguang <fengguang.wu@intel.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] memcg: avoid overflow in memcg_hierarchical_free_pages()
Date: Tue, 9 Nov 2010 02:47:47 +0100 [thread overview]
Message-ID: <20101109014746.GP23393@cmpxchg.org> (raw)
In-Reply-To: <1289265320-7025-1-git-send-email-gthelen@google.com>
On Mon, Nov 08, 2010 at 05:15:20PM -0800, Greg Thelen wrote:
> Use page counts rather than byte counts to avoid overflowing
> unsigned long local variables.
>
> Signed-off-by: Greg Thelen <gthelen@google.com>
Reviewed-by: Johannes Weiner <hannes@cmpxchg.org>
WARNING: multiple messages have this Message-ID (diff)
From: Johannes Weiner <hannes@cmpxchg.org>
To: Greg Thelen <gthelen@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Daisuke Nishimura <nishimura@mxp.nes.nec.co.jp>,
Wu Fengguang <fengguang.wu@intel.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] memcg: avoid overflow in memcg_hierarchical_free_pages()
Date: Tue, 9 Nov 2010 02:47:47 +0100 [thread overview]
Message-ID: <20101109014746.GP23393@cmpxchg.org> (raw)
In-Reply-To: <1289265320-7025-1-git-send-email-gthelen@google.com>
On Mon, Nov 08, 2010 at 05:15:20PM -0800, Greg Thelen wrote:
> Use page counts rather than byte counts to avoid overflowing
> unsigned long local variables.
>
> Signed-off-by: Greg Thelen <gthelen@google.com>
Reviewed-by: Johannes Weiner <hannes@cmpxchg.org>
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next prev parent reply other threads:[~2010-11-09 1:48 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-09 1:15 [PATCH] memcg: avoid overflow in memcg_hierarchical_free_pages() Greg Thelen
2010-11-09 1:15 ` Greg Thelen
2010-11-09 1:28 ` Minchan Kim
2010-11-09 1:28 ` Minchan Kim
2010-11-09 1:47 ` Johannes Weiner [this message]
2010-11-09 1:47 ` Johannes Weiner
2010-11-09 3:44 ` Daisuke Nishimura
2010-11-09 3:44 ` Daisuke Nishimura
2010-11-09 3:52 ` Greg Thelen
2010-11-09 3:52 ` Greg Thelen
2010-11-16 3:45 ` KAMEZAWA Hiroyuki
2010-11-16 3:45 ` KAMEZAWA Hiroyuki
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