Messages in this thread | | | Date | Mon, 30 Apr 2012 11:30:23 +0900 | From | Minchan Kim <> | Subject | Re: [PATCH] mm: fix devision by 0 in percpu_pagelist_fraction |
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On 04/28/2012 11:25 PM, Sasha Levin wrote:
> percpu_pagelist_fraction_sysctl_handler() has only considered -EINVAL as a possible error > from proc_dointvec_minmax(). If any other error is returned, it would proceed to divide by > zero since percpu_pagelist_fraction wasn't getting initialized at any point. For example, > writing 0 bytes into the proc file would trigger the issue. > > Signed-off-by: Sasha Levin <levinsasha928@gmail.com>
Reviewed-by: Minchan Kim <minchan@kernel.org>
-- Kind regards, Minchan Kim
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