Subject: [PATCH 1/3] powerpc: mm: make _PAGE_NUMA take effect

From: Liu Ping Fan <[email-masked]>
Date: Wed, 4 Dec 2013 14:59:06 +0800

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 <[email-masked]>
---
 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;
-- 
1.8.1.4