[PATCH 10/11] pagewalk: remove argument hmask from hugetlb_entry()

[Naoya Horiguchi]

hugetlb_entry() doesn't use the argument hmask any more,
so let's remove it now.

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

diff --git v3.14-rc2.orig/fs/proc/task_mmu.c v3.14-rc2/fs/proc/task_mmu.c
index 8b23bbcc5e04..f819d0d4a0e8 100644
--- v3.14-rc2.orig/fs/proc/task_mmu.c
+++ v3.14-rc2/fs/proc/task_mmu.c
@@ -1022,8 +1022,7 @@ 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;
@@ -1031,6 +1030,7 @@ 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);
 
@@ -1292,8 +1292,8 @@ 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;
@@ -1311,8 +1311,8 @@ 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 v3.14-rc2.orig/include/linux/mm.h v3.14-rc2/include/linux/mm.h
index 144b08617957..7b6b596a5bf1 100644
--- v3.14-rc2.orig/include/linux/mm.h
+++ v3.14-rc2/include/linux/mm.h
@@ -1091,9 +1091,8 @@ 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 v3.14-rc2.orig/mm/pagewalk.c v3.14-rc2/mm/pagewalk.c
index 2a88dfa58af6..416e981243b1 100644
--- v3.14-rc2.orig/mm/pagewalk.c
+++ v3.14-rc2/mm/pagewalk.c
@@ -199,7 +199,7 @@ 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);
 		spin_unlock(ptl);
 		if (err)
 			break;
-- 
1.8.5.3

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