Messages in this thread | | | Date | Sun, 12 Aug 2007 16:58:08 +0800 | From | WU Fengguang <> | Subject | Re: [BUGFIX] NULL pointer dereference in __vm_enough_memory() |
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On Sun, Aug 12, 2007 at 01:48:31PM +0800, WU Fengguang wrote: > On Sat, Aug 11, 2007 at 11:31:09PM +0530, Balbir Singh wrote: > > Andrew Morton wrote: > > > On Sat, 11 Aug 2007 20:00:12 +0530 "Balbir Singh" <balbir@linux.vnet.ibm.com> wrote: > > >>> > > >> Shouldn't we just not stop vm accounting for kernel threads? > > >> > > > > > > Could be. It'd help heaps if we knew which patch in -mm caused > > > this, but from a quick peek it seems to me that mainline should be > > > vulnerable as well. > > > > Thats a valid point. It would be interesting to see what the overcommit > > setting was, when the panic occurred. > > FYI, I do have nondefault overcommit settings: > > vm.overcommit_memory = 2 > vm.lowmem_reserve_ratio = 1 1
Yes, the bug disappears when changing to default overcommit_memory!
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