Liu Ping Fan <kernelf...@gmail.com> writes:
> To enable the do_numa_page(), we should not fix _PAGE_NUMA in
> hash_page(), so bail out for the case of pte_numa().
>
> Signed-off-by: Liu Ping Fan <pingf...@linux.vnet.ibm.com>
> ---
> arch/powerpc/mm/hash_utils_64.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
> index fb176e9..9bf1195 100644
> --- a/arch/powerpc/mm/hash_utils_64.c
> +++ b/arch/powerpc/mm/hash_utils_64.c
> @@ -1033,7 +1033,7 @@ int hash_page(unsigned long ea, unsigned long access,
> unsigned long trap)
>
> /* Get PTE and page size from page tables */
> ptep = find_linux_pte_or_hugepte(pgdir, ea, &hugeshift);
> - if (ptep == NULL || !pte_present(*ptep)) {
> + if (ptep == NULL || !pte_present(*ptep) || pte_numa(*ptep)) {
> DBG_LOW(" no PTE !\n");
> rc = 1;
> goto bail;
why ? , All the hash routines do check for _PAGE_PRESENT via access
variable.
-aneesh
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