Commit f93ae364 authored Jul 06, 2017 by Mike Rapoport Committed by Linus Torvalds Jul 06, 2017

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 <rppt@linux.vnet.ibm.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 57ecbd38

fs/userfaultfd.c

+0 −5

Original line number	Diff line number	Diff line
		@@ -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))

Admin message