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    SubjectRe: 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


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