From 59e99e5b9706867f18d4a36c1e4645fbaacbec2e Mon Sep 17 00:00:00 2001 From: Jiri Slaby Date: Fri, 5 Mar 2010 13:41:44 -0800 Subject: mm: use rlimit helpers Make sure compiler won't do weird things with limits. E.g. fetching them twice may return 2 different values after writable limits are implemented. I.e. either use rlimit helpers added in 3e10e716abf3c71bdb5d86b8f507f9e72236c9cd ("resource: add helpers for fetching rlimits") or ACCESS_ONCE if not applicable. Signed-off-by: Jiri Slaby Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- mm/mremap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'mm/mremap.c') diff --git a/mm/mremap.c b/mm/mremap.c index 845190898d5..4c4c803453f 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -285,7 +285,7 @@ static struct vm_area_struct *vma_to_resize(unsigned long addr, if (vma->vm_flags & VM_LOCKED) { unsigned long locked, lock_limit; locked = mm->locked_vm << PAGE_SHIFT; - lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur; + lock_limit = rlimit(RLIMIT_MEMLOCK); locked += new_len - old_len; if (locked > lock_limit && !capable(CAP_IPC_LOCK)) goto Eagain; -- cgit v1.2.3