[PATCH v3-fixup 2/6] mm: mincore: fixup for remove special handling for VM_PFNMAP

[Kefeng Wang <wangkefeng.wang@huawei.com>]

Address David's comments
- rename mincore_pud_range to mincore_pud_entry
- change int nr to const unsigned long
- remove a local vec variable

Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 mm/mincore.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/mm/mincore.c b/mm/mincore.c
index d7841a38b54a..9ea81638d09f 100644
--- a/mm/mincore.c
+++ b/mm/mincore.c
@@ -146,16 +146,15 @@ static int mincore_unmapped_range(unsigned long addr, unsigned long end,
 	return 0;
 }
 
-static int mincore_pud_range(pud_t *pudp, unsigned long addr, unsigned long end,
+static int mincore_pud_entry(pud_t *pudp, unsigned long addr, unsigned long end,
 		struct mm_walk *walk)
 {
 	if (pud_is_huge(pudp_get(pudp))) {
-		int nr = (end - addr) >> PAGE_SHIFT;
-		unsigned char *vec = walk->private;
+		const unsigned long nr = (end - addr) >> PAGE_SHIFT;
 
-		memset(vec, 1, nr);
-		walk->action = ACTION_CONTINUE;
+		memset(walk->private, 1, nr);
 		walk->private += nr;
+		walk->action = ACTION_CONTINUE;
 	}
 
 	return 0;
@@ -233,7 +232,7 @@ static inline bool can_do_mincore(struct vm_area_struct *vma)
 }
 
 static const struct mm_walk_ops mincore_walk_ops = {
-	.pud_entry		= mincore_pud_range,
+	.pud_entry		= mincore_pud_entry,
 	.pmd_entry		= mincore_pte_range,
 	.pte_hole		= mincore_unmapped_range,
 	.hugetlb_entry		= mincore_hugetlb,
-- 
2.55.0