From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pd0-f170.google.com (mail-pd0-f170.google.com [209.85.192.170]) by kanga.kvack.org (Postfix) with ESMTP id EDA83900001 for ; Wed, 2 Oct 2013 10:29:03 -0400 (EDT) Received: by mail-pd0-f170.google.com with SMTP id x10so1001105pdj.1 for ; Wed, 02 Oct 2013 07:29:03 -0700 (PDT) From: Jan Kara Subject: [PATCH 18/26] mm: Convert process_vm_rw_pages() to use get_user_pages_unlocked() Date: Wed, 2 Oct 2013 16:27:59 +0200 Message-Id: <1380724087-13927-19-git-send-email-jack@suse.cz> In-Reply-To: <1380724087-13927-1-git-send-email-jack@suse.cz> References: <1380724087-13927-1-git-send-email-jack@suse.cz> Sender: owner-linux-mm@kvack.org List-ID: To: LKML Cc: linux-mm@kvack.org, Jan Kara Signed-off-by: Jan Kara --- mm/process_vm_access.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c index fd26d0433509..c1bc47d8ed90 100644 --- a/mm/process_vm_access.c +++ b/mm/process_vm_access.c @@ -64,12 +64,8 @@ static int process_vm_rw_pages(struct task_struct *task, *bytes_copied = 0; /* Get the pages we're interested in */ - down_read(&mm->mmap_sem); - pages_pinned = get_user_pages(task, mm, pa, - nr_pages_to_copy, - vm_write, 0, process_pages, NULL); - up_read(&mm->mmap_sem); - + pages_pinned = get_user_pages_unlocked(task, mm, pa, nr_pages_to_copy, + vm_write, 0, process_pages); if (pages_pinned != nr_pages_to_copy) { rc = -EFAULT; goto end; -- 1.8.1.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org