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authorMike Rapoport <rppt@linux.vnet.ibm.com>2017-07-07 01:38:35 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-07-07 02:24:33 +0300
commitf93ae36462091eca8c8d70ced64b97056a8ecbd6 (patch)
tree628e94206b84a04df21c1080a8575809588d84a5
parent57ecbd3831ee3ad43914d5c9dddbff7ce30e3d42 (diff)
downloadlinux-f93ae36462091eca8c8d70ced64b97056a8ecbd6.tar.xz
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>
-rw-r--r--fs/userfaultfd.c5
1 files changed, 0 insertions, 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))