From cdf7b3418ad5a8783efe8f9124023d9b869fec0f Mon Sep 17 00:00:00 2001 From: Huang Shijie Date: Mon, 21 Sep 2009 17:03:36 -0700 Subject: [PATCH] mmap: remove unnecessary code If (flags & MAP_LOCKED) is true, it means vm_flags has already contained the bit VM_LOCKED which is set by calc_vm_flag_bits(). So there is no need to reset it again, just remove it. Signed-off-by: Huang Shijie Acked-by: Hugh Dickins Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/mmap.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/mm/mmap.c b/mm/mmap.c index 6eed98c00543..56eb871c32d0 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -963,11 +963,9 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, vm_flags = calc_vm_prot_bits(prot) | calc_vm_flag_bits(flags) | mm->def_flags | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC; - if (flags & MAP_LOCKED) { + if (flags & MAP_LOCKED) if (!can_do_mlock()) return -EPERM; - vm_flags |= VM_LOCKED; - } /* mlock MCL_FUTURE? */ if (vm_flags & VM_LOCKED) { -- 2.39.2