From: Mateusz Nosek <mateusznosek0@xxxxxxxxx> 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/20200303212354.25226-1-mateusznosek0@xxxxxxxxx Signed-off-by: Mateusz Nosek <mateusznosek0@xxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/hugetlb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- 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; _
