vmscan: Fix mapping use after free
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From: Minchan Kim on 29 Jun 2010 10:30 On Tue, Jun 29, 2010 at 8:34 PM, Mel Gorman <mel(a)csn.ul.ie> wrote: > From: Nick Piggin <npiggin(a)suse.de> > > Use lock_page_nosync in handle_write_error as after writepage we have no > reference to the mapping when taking the page lock. > > Signed-off-by: Nick Piggin <npiggin(a)suse.de> > Signed-off-by: Mel Gorman <mel(a)csn.ul.ie> Trivial. Please modify description of the function if you have a next turn. "run sleeping lock_page()" -> "run sleeping lock_page_nosync" -- 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/
From: Johannes Weiner on 29 Jun 2010 10:50 On Tue, Jun 29, 2010 at 12:34:35PM +0100, Mel Gorman wrote: > From: Nick Piggin <npiggin(a)suse.de> > > Use lock_page_nosync in handle_write_error as after writepage we have no > reference to the mapping when taking the page lock. > > Signed-off-by: Nick Piggin <npiggin(a)suse.de> > Signed-off-by: Mel Gorman <mel(a)csn.ul.ie> Reviewed-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: Mel Gorman on 1 Jul 2010 06:00
On Tue, Jun 29, 2010 at 11:27:05PM +0900, Minchan Kim wrote: > On Tue, Jun 29, 2010 at 8:34 PM, Mel Gorman <mel(a)csn.ul.ie> wrote: > > From: Nick Piggin <npiggin(a)suse.de> > > > > Use lock_page_nosync in handle_write_error as after writepage we have no > > reference to the mapping when taking the page lock. > > > > Signed-off-by: Nick Piggin <npiggin(a)suse.de> > > Signed-off-by: Mel Gorman <mel(a)csn.ul.ie> > > Trivial. > Please modify description of the function if you have a next turn. > "run sleeping lock_page()" -> "run sleeping lock_page_nosync" > Fixed, thanks. -- Mel Gorman Part-time Phd Student Linux Technology Center University of Limerick IBM Dublin Software Lab -- 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/ |