From f93ae36462091eca8c8d70ced64b97056a8ecbd6 Mon Sep 17 00:00:00 2001 From: Mike Rapoport Date: Thu, 6 Jul 2017 15:38:35 -0700 Subject: fs/userfaultfd.c: drop dead code Calculation of start end end in __wake_userfault function are not used and can be removed. Link: http://lkml.kernel.org/r/1494930917-3134-1-git-send-email-rppt@linux.vnet.ibm.com Signed-off-by: Mike Rapoport Cc: Andrea Arcangeli Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- fs/userfaultfd.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index 6148ccd6cccf..3d0dd082337a 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -1114,11 +1114,6 @@ static ssize_t userfaultfd_read(struct file *file, char __user *buf, static void __wake_userfault(struct userfaultfd_ctx *ctx, struct userfaultfd_wake_range *range) { - unsigned long start, end; - - start = range->start; - end = range->start + range->len; - spin_lock(&ctx->fault_pending_wqh.lock); /* wake all in the range and autoremove */ if (waitqueue_active(&ctx->fault_pending_wqh)) -- cgit v1.2.3