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Subject[PATCH 10/11] pagewalk: remove argument hmask from hugetlb_entry()
Date
All of callbacks connected to hugetlb_entry() are changed not to
use the argument hmask. So we can remove it now.

Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
---
fs/proc/task_mmu.c | 12 ++++++------
include/linux/mm.h | 5 ++---
mm/pagewalk.c | 2 +-
3 files changed, 9 insertions(+), 10 deletions(-)

diff --git v3.12-rc4.orig/fs/proc/task_mmu.c v3.12-rc4/fs/proc/task_mmu.c
index e3e03bc..aefe239 100644
--- v3.12-rc4.orig/fs/proc/task_mmu.c
+++ v3.12-rc4/fs/proc/task_mmu.c
@@ -1025,8 +1025,7 @@ static void huge_pte_to_pagemap_entry(pagemap_entry_t *pme, struct pagemapread *
}

/* This function walks within one hugetlb entry in the single call */
-static int pagemap_hugetlb_range(pte_t *pte, unsigned long hmask,
- unsigned long addr, unsigned long end,
+static int pagemap_hugetlb(pte_t *pte, unsigned long addr, unsigned long end,
struct mm_walk *walk)
{
struct pagemapread *pm = walk->private;
@@ -1034,6 +1033,7 @@ static int pagemap_hugetlb_range(pte_t *pte, unsigned long hmask,
int err = 0;
int flags2;
pagemap_entry_t pme;
+ unsigned long hmask;

WARN_ON_ONCE(!vma);

@@ -1297,8 +1297,8 @@ static int gather_pmd_stats(pmd_t *pmd, unsigned long addr,
return 0;
}
#ifdef CONFIG_HUGETLB_PAGE
-static int gather_hugetlb_stats(pte_t *pte, unsigned long hmask,
- unsigned long addr, unsigned long end, struct mm_walk *walk)
+static int gather_hugetlb_stats(pte_t *pte, unsigned long addr,
+ unsigned long end, struct mm_walk *walk)
{
struct numa_maps *md;
struct page *page;
@@ -1316,8 +1316,8 @@ static int gather_hugetlb_stats(pte_t *pte, unsigned long hmask,
}

#else
-static int gather_hugetlb_stats(pte_t *pte, unsigned long hmask,
- unsigned long addr, unsigned long end, struct mm_walk *walk)
+static int gather_hugetlb_stats(pte_t *pte, unsigned long addr,
+ unsigned long end, struct mm_walk *walk)
{
return 0;
}
diff --git v3.12-rc4.orig/include/linux/mm.h v3.12-rc4/include/linux/mm.h
index 6c138d7..04cf32c 100644
--- v3.12-rc4.orig/include/linux/mm.h
+++ v3.12-rc4/include/linux/mm.h
@@ -966,9 +966,8 @@ struct mm_walk {
unsigned long next, struct mm_walk *walk);
int (*pte_hole)(unsigned long addr, unsigned long next,
struct mm_walk *walk);
- int (*hugetlb_entry)(pte_t *pte, unsigned long hmask,
- unsigned long addr, unsigned long next,
- struct mm_walk *walk);
+ int (*hugetlb_entry)(pte_t *pte, unsigned long addr,
+ unsigned long next, struct mm_walk *walk);
int (*test_walk)(unsigned long addr, unsigned long next,
struct mm_walk *walk);
struct mm_struct *mm;
diff --git v3.12-rc4.orig/mm/pagewalk.c v3.12-rc4/mm/pagewalk.c
index 80b247b..9437ffc 100644
--- v3.12-rc4.orig/mm/pagewalk.c
+++ v3.12-rc4/mm/pagewalk.c
@@ -182,7 +182,7 @@ static int walk_hugetlb_range(unsigned long addr, unsigned long end,
* in walk->hugetlb_entry().
*/
if (pte && walk->hugetlb_entry)
- err = walk->hugetlb_entry(pte, hmask, addr, next, walk);
+ err = walk->hugetlb_entry(pte, addr, next, walk);
if (err)
break;
} while (addr = next, addr != end);
--
1.8.3.1


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