vma_adjust: fix the copying of anon_vma chains
in [Kernel]
|
Prev: Simplify and comment on anon_vma re-use for anon_vma_prepare()
Next: anon_vma: clone the anon_vma chain in the right order
From: Rik van Riel on 12 Apr 2010 17:00 On 04/12/2010 04:23 PM, Linus Torvalds wrote: > > From: Linus Torvalds<torvalds(a)linux-foundation.org> > Date: Sat, 10 Apr 2010 15:22:30 -0700 > Subject: [PATCH 2/4] vma_adjust: fix the copying of anon_vma chains > > When we move the boundaries between two vma's due to things like > mprotect, we need to make sure that the anon_vma of the pages that got > moved from one vma to another gets properly copied around. And that was > not always the case, in this rather hard-to-follow code sequence. > > Clarify the code, and fix it so that it copies the anon_vma from the > right source. > > Signed-off-by: Linus Torvalds<torvalds(a)linux-foundation.org> Reviewed-by: Rik van Riel <riel(a)redhat.com> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Johannes Weiner on 12 Apr 2010 20:00 On Mon, Apr 12, 2010 at 01:23:04PM -0700, Linus Torvalds wrote: > > From: Linus Torvalds <torvalds(a)linux-foundation.org> > Date: Sat, 10 Apr 2010 15:22:30 -0700 > Subject: [PATCH 2/4] vma_adjust: fix the copying of anon_vma chains > > When we move the boundaries between two vma's due to things like > mprotect, we need to make sure that the anon_vma of the pages that got > moved from one vma to another gets properly copied around. And that was > not always the case, in this rather hard-to-follow code sequence. > > Clarify the code, and fix it so that it copies the anon_vma from the > right source. > > Signed-off-by: Linus Torvalds <torvalds(a)linux-foundation.org> Acked-by: Johannes Weiner <hannes(a)cmpxchg.org> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Minchan Kim on 13 Apr 2010 00:20
On Tue, Apr 13, 2010 at 5:23 AM, Linus Torvalds <torvalds(a)linux-foundation.org> wrote: > > From: Linus Torvalds <torvalds(a)linux-foundation.org> > Date: Sat, 10 Apr 2010 15:22:30 -0700 > Subject: [PATCH 2/4] vma_adjust: fix the copying of anon_vma chains > > When we move the boundaries between two vma's due to things like > mprotect, we need to make sure that the anon_vma of the pages that got > moved from one vma to another gets properly copied around. And that was > not always the case, in this rather hard-to-follow code sequence. > > Clarify the code, and fix it so that it copies the anon_vma from the > right source. > > Signed-off-by: Linus Torvalds <torvalds(a)linux-foundation.org> Reviewed-by: Minchan Kim <minchan.kim(a)gmail.com> -- Kind regards, Minchan Kim -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |