Messages in this thread | | | Date | Fri, 21 Dec 2007 10:15:08 +0530 | From | Dhaval Giani <> | Subject | Re: 2.6.22-stable causes oomkiller to be invoked |
| |
> > It was just > > > > while echo ; do cat /sys/kernel/<some file> ; done > > > > it's all in the email threads somewhere.. > > The patch that was posted in the thread that I mentioned earlier is here. > I ran the test for 15 minutes and things are still fine. > > > > quicklist: Set tlb->need_flush if pages are remaining in quicklist 0 > > This ensures that the quicklists are drained. Otherwise draining may only > occur when the processor reaches an idle state. >
Hi Christoph,
No, it does not stop the oom I am seeing here.
Thanks,
> Signed-off-by: Christoph Lameter <clameter@sgi.com> > > Index: linux-2.6/include/asm-generic/tlb.h > =================================================================== > --- linux-2.6.orig/include/asm-generic/tlb.h 2007-12-13 14:45:38.000000000 -0800 > +++ linux-2.6/include/asm-generic/tlb.h 2007-12-13 14:51:07.000000000 -0800 > @@ -14,6 +14,7 @@ > #define _ASM_GENERIC__TLB_H > > #include <linux/swap.h> > +#include <linux/quicklist.h> > #include <asm/pgalloc.h> > #include <asm/tlbflush.h> > > @@ -85,6 +86,9 @@ tlb_flush_mmu(struct mmu_gather *tlb, un > static inline void > tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end) > { > +#ifdef CONFIG_QUICKLIST > + tlb->need_flush += &__get_cpu_var(quicklist)[0].nr_pages != 0; > +#endif > tlb_flush_mmu(tlb, start, end); > > /* keep the page table cache within bounds */
-- regards, Dhaval
| |