From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yang Shi Subject: [PATCH] move_pages.2: not return ENOENT if the page are already on the target nodes Date: Fri, 6 Dec 2019 09:34:50 +0800 Message-ID: <1575596090-115377-1-git-send-email-yang.shi@linux.alibaba.com> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: mtk.manpages@gmail.com, cl@linux.com, jhubbard@nvidia.com, mhocko@suse.com, cai@lca.pw, akpm@linux-foundation.org Cc: yang.shi@linux.alibaba.com, linux-man@vger.kernel.org, linux-api@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org List-Id: linux-api@vger.kernel.org Since commit e78bbfa82624 ("mm: stop returning -ENOENT from sys_move_pages() if nothing got migrated"), move_pages doesn't return -ENOENT anymore if the pages are already on the target nodes, but this change is never reflected in manpage. Cc: Michael Kerrisk Cc: Christoph Lameter Cc: John Hubbard Cc: Michal Hocko Cc: Qian Cai Signed-off-by: Yang Shi --- man2/move_pages.2 | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/man2/move_pages.2 b/man2/move_pages.2 index 2d96468..2a2f3cd 100644 --- a/man2/move_pages.2 +++ b/man2/move_pages.2 @@ -192,9 +192,8 @@ was specified or an attempt was made to migrate pages of a kernel thread. One of the target nodes is not online. .TP .B ENOENT -No pages were found that require moving. -All pages are either already -on the target node, not present, had an invalid address or could not be +No pages were found. +All pages are either not present, had an invalid address or could not be moved because they were mapped by multiple processes. .TP .B EPERM -- 1.8.3.1