From: Andrew Morton <akpm@linux-foundation.org>
To: Petr Holasek <pholasek@redhat.com>
Cc: linux-kernel@vger.kernel.org, anton@redhat.com,
Alexander Viro <viro@zeniv.linux.org.uk>,
Ingo Molnar <mingo@elte.hu>,
Dave Young <hidave.darkstar@gmail.com>,
David Miller <davem@davemloft.net>,
Don Zickus <dzickus@redhat.com>,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH] sysctl: some input constraints checks were added for /proc/sys/vm directory
Date: Tue, 8 Mar 2011 16:51:41 -0800 [thread overview]
Message-ID: <20110308165141.3dc7e377.akpm@linux-foundation.org> (raw)
In-Reply-To: <1299082575-3084-1-git-send-email-pholasek@redhat.com>
On Wed, 2 Mar 2011 17:16:14 +0100
Petr Holasek <pholasek@redhat.com> wrote:
> There were added boundaries of allowed input ranges for: dirty_expire_centisecs,
> drop_caches, overcommit_memory, page-cluster and panic_on_oom.
>
> ...
>
Well.. It's a non-back-compatible userspace interface change.
Yes, it's unlikely that any userspace was doing, for example, "echo 7 >
/proc/sys/vm/drop_caches". But if it was, we just broke it.
prev parent reply other threads:[~2011-03-09 0:51 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-02 16:16 [PATCH] sysctl: some input constraints checks were added for /proc/sys/vm directory Petr Holasek
2011-03-03 1:47 ` Dave Young
2011-03-04 11:14 ` Petr Holasek
2011-03-09 0:51 ` Andrew Morton [this message]
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