From: "Mike Rapoport" <rppt@xxxxxxxxxxxxxxxxxx> 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@xxxxxxxxxxxxxxxxxx Signed-off-by: Mike Rapoport <rppt@xxxxxxxxxxxxxxxxxx> Cc: Andrea Arcangeli <aarcange@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- fs/userfaultfd.c | 5 ----- 1 file changed, 5 deletions(-) diff -puN fs/userfaultfd.c~userfaultfd-drop-dead-code fs/userfaultfd.c --- a/fs/userfaultfd.c~userfaultfd-drop-dead-code +++ a/fs/userfaultfd.c @@ -1114,11 +1114,6 @@ static ssize_t userfaultfd_read(struct f 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)) _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html