From: Liu Ping Fan <kernelfans@gmail.com>
To: linuxppc-dev@lists.ozlabs.org
Cc: Paul Mackerras <paulus@samba.org>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Subject: [PATCH 1/3] powerpc: mm: make _PAGE_NUMA take effect
Date: Wed, 4 Dec 2013 14:59:06 +0800 [thread overview]
Message-ID: <1386140348-7854-2-git-send-email-pingfank@linux.vnet.ibm.com> (raw)
In-Reply-To: <1386140348-7854-1-git-send-email-pingfank@linux.vnet.ibm.com>
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 <pingfank@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;
--
1.8.1.4
next prev parent reply other threads:[~2013-12-04 6:58 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-04 6:59 [PATCH 0/3] optimize for powerpc _PAGE_NUMA Liu Ping Fan
2013-12-04 6:59 ` Liu Ping Fan [this message]
2013-12-05 10:53 ` [PATCH 1/3] powerpc: mm: make _PAGE_NUMA take effect Aneesh Kumar K.V
2013-12-09 0:31 ` Benjamin Herrenschmidt
2013-12-09 6:17 ` Liu ping fan
2013-12-09 6:19 ` Benjamin Herrenschmidt
2013-12-11 8:50 ` Liu ping fan
2013-12-11 9:50 ` Benjamin Herrenschmidt
2013-12-12 2:19 ` Liu ping fan
2013-12-04 6:59 ` [PATCH 2/3] mm: export numa_migrate_prep() Liu Ping Fan
2013-12-04 6:59 ` [PATCH 3/3] powerpc: mm: optimize for the correctly placed page Liu Ping Fan
2013-12-05 10:58 ` Aneesh Kumar K.V
2013-12-05 13:27 ` Liu ping fan
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