[151/155] mm/hugetlb.c: clean code by removing unnecessary initialization

Commit Message

Andrew Morton April 2, 2020, 4:11 a.m. UTC

From: Mateusz Nosek <[e-mail]>
Subject: mm/hugetlb.c: clean code by removing unnecessary initialization

Previously variable 'check_addr' was initialized, but was not read later
before reassigning.  So the initialization can be removed.

Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Mateusz Nosek <[e-mail]>
Reviewed-by: Andrew Morton <[e-mail]>
Reviewed-by: Mike Kravetz <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
---

 mm/hugetlb.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch

--- a/mm/hugetlb.c~mm-hugetlbc-clean-code-by-removing-unnecessary-initialization
+++ a/mm/hugetlb.c
@@ -5156,7 +5156,7 @@  static bool vma_shareable(struct vm_area
 void adjust_range_if_pmd_sharing_possible(struct vm_area_struct *vma,
 				unsigned long *start, unsigned long *end)
 {
-	unsigned long check_addr = *start;
+	unsigned long check_addr;
 
 	if (!(vma->vm_flags & VM_MAYSHARE))
 		return;