Re: [RESEND][PATCH v5 2/3] fix hugetlb memory check invma_dump_size()

From: Michal Hocko
Date: Thu Apr 11 2013 - 03:08:50 EST


On Wed 10-04-13 14:49:07, David Rientjes wrote:
> On Wed, 10 Apr 2013, Naoya Horiguchi wrote:
>
> > Documentation/filesystems/proc.txt says about coredump_filter bitmask,
> >
> > Note bit 0-4 doesn't effect any hugetlb memory. hugetlb memory are only
> > effected by bit 5-6.
> >
> > However current code can go into the subsequent flag checks of bit 0-4
> > for vma(VM_HUGETLB). So this patch inserts 'return' and makes it work
> > as written in the document.
> >
> > Signed-off-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
> > Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>
> > Acked-by: Michal Hocko <mhocko@xxxxxxx>
> > Reviewed-by: HATAYAMA Daisuke <d.hatayama@xxxxxxxxxxxxxx>
> > Acked-by: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>
> > Cc: stable@xxxxxxxxxxxxxxx
>
> Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
>
> Stable for 2.6.34+.

I think it is only 3.7+ as well because VM_RESERVED stopped use before
(314e51b9).

--
Michal Hocko
SUSE Labs
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