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    SubjectRe: 2.6.13-rc3-mm3
    On Mon, 1 Aug 2005, Richard Purdie wrote:
    > That number rapidly increases and so it looks like something is failing
    > and looping...

    Maybe we better restore the pte flags changes the way they were if
    CONFIG_ATOMIC_TABLE_OPS is not defined. Try this instead. If this works
    then we need two different handle_pte_fault functions to get rid of the
    macro mess:

    Index: linux-2.6.13-rc4-mm1/mm/memory.c
    ===================================================================
    --- linux-2.6.13-rc4-mm1.orig/mm/memory.c 2005-08-01 12:59:49.000000000 -0700
    +++ linux-2.6.13-rc4-mm1/mm/memory.c 2005-08-01 15:08:31.000000000 -0700
    @@ -2094,6 +2094,7 @@
    entry = pte_mkdirty(entry);
    }

    +#ifdef CONFIG_ATOMIC_TABLE_OPS
    /*
    * If the cmpxchg fails then another processor may have done
    * the changes for us. If not then another fault will bring
    @@ -2106,6 +2107,11 @@
    } else {
    inc_page_state(cmpxchg_fail_flag_update);
    }
    +#else
    + ptep_set_access_flags(vma, address, pte, entry, write_access);
    + update_mmu_cache(vma, address, entry);
    + lazy_mmu_prot_update(entry);
    +#endif

    pte_unmap(pte);
    page_table_atomic_stop(mm);
    Index: linux-2.6.13-rc4-mm1/mm/memory.o
    ===================================================================
    Binary files linux-2.6.13-rc4-mm1.orig/mm/memory.o 2005-08-01 15:03:10.000000000 -0700 and linux-2.6.13-rc4-mm1/mm/memory.o 2005-08-01 15:09:50.000000000 -0700 differ
    -
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