Messages in this thread | | | Date | Tue, 8 Mar 2011 16:51:41 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] sysctl: some input constraints checks were added for /proc/sys/vm directory |
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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.
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