Messages in this thread | | | Date | Sat, 18 Sep 2004 04:41:59 -0700 | From | William Lee Irwin III <> | Subject | Re: [PATCH] fix missing unlock_page in mm/rmap.c |
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On Sat, Sep 18, 2004 at 08:53:04PM +1000, Nick Piggin wrote: > Please apply. > A required unlock_page will be missed in a very rare (but possible) race > condition. Acked by Hugh, who says: > It'll be hard to hit because of the additional page_mapped test above, > with truncate unmapping ptes from mms before it advances to removing > pages from cache; but nothing to prevent it happening. > Signed-off-by: Nick Piggin <nickpiggin@yahoo.com.au> > Signed-off-by: Hugh Dickins <hugh@veritas.com>
I've hit a missing unlock_page(). I'll see if this fixed it.
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