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Message-Id: <1345470757-12005-2-git-send-email-kirill.shutemov@linux.intel.com>
Date: Mon, 20 Aug 2012 16:52:30 +0300
From: "Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>
To: linux-mm@...ck.org
Cc: Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>,
"H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
Andi Kleen <ak@...ux.intel.com>,
"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
Tim Chen <tim.c.chen@...ux.intel.com>,
Alex Shi <alex.shu@...el.com>,
Jan Beulich <jbeulich@...ell.com>,
Robert Richter <robert.richter@....com>,
Andy Lutomirski <luto@...capital.net>,
Andrew Morton <akpm@...ux-foundation.org>,
Andrea Arcangeli <aarcange@...hat.com>,
Johannes Weiner <hannes@...xchg.org>,
Hugh Dickins <hughd@...gle.com>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
Mel Gorman <mgorman@...e.de>, linux-kernel@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org, linux-mips@...ux-mips.org,
linux-sh@...r.kernel.org, sparclinux@...r.kernel.org
Subject: [PATCH v4 1/8] THP: Use real address for NUMA policy
From: Andi Kleen <ak@...ux.intel.com>
Use the fault address, not the rounded down hpage address for NUMA
policy purposes. In some circumstances this can give more exact
NUMA policy.
Signed-off-by: Andi Kleen <ak@...ux.intel.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com>
---
mm/huge_memory.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 57c4b93..70737ec 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -681,11 +681,11 @@ static inline gfp_t alloc_hugepage_gfpmask(int defrag, gfp_t extra_gfp)
static inline struct page *alloc_hugepage_vma(int defrag,
struct vm_area_struct *vma,
- unsigned long haddr, int nd,
+ unsigned long address, int nd,
gfp_t extra_gfp)
{
return alloc_pages_vma(alloc_hugepage_gfpmask(defrag, extra_gfp),
- HPAGE_PMD_ORDER, vma, haddr, nd);
+ HPAGE_PMD_ORDER, vma, address, nd);
}
#ifndef CONFIG_NUMA
@@ -710,7 +710,7 @@ int do_huge_pmd_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma,
if (unlikely(khugepaged_enter(vma)))
return VM_FAULT_OOM;
page = alloc_hugepage_vma(transparent_hugepage_defrag(vma),
- vma, haddr, numa_node_id(), 0);
+ vma, address, numa_node_id(), 0);
if (unlikely(!page)) {
count_vm_event(THP_FAULT_FALLBACK);
goto out;
@@ -944,7 +944,7 @@ int do_huge_pmd_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,
if (transparent_hugepage_enabled(vma) &&
!transparent_hugepage_debug_cow())
new_page = alloc_hugepage_vma(transparent_hugepage_defrag(vma),
- vma, haddr, numa_node_id(), 0);
+ vma, address, numa_node_id(), 0);
else
new_page = NULL;
--
1.7.7.6
--
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