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Subject[PATCH] mm: proc: remove redundant page validation of pte_page
Date
pte_page() always returns a valid page, so remove the redundant
page validation, as we did in many other places.

Signed-off-by: Xianting Tian <xianting.tian@linux.alibaba.com>
---
fs/proc/task_mmu.c | 2 --
1 file changed, 2 deletions(-)

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index f46060eb9..a843d13e2 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1873,8 +1873,6 @@ static int gather_hugetlb_stats(pte_t *pte, unsigned long hmask,
return 0;

page = pte_page(huge_pte);
- if (!page)
- return 0;

md = walk->private;
gather_stats(page, md, pte_dirty(huge_pte), 1);
--
2.17.1
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