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From: Yang Shi <yang.shi@linux.alibaba.com>
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
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	[thread overview]
Message-ID: <1575596090-115377-1-git-send-email-yang.shi@linux.alibaba.com> (raw)

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 <mtk.manpages@gmail.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Qian Cai <cai@lca.pw>
Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com>
---
 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



             reply	other threads:[~2019-12-06  1:35 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-06  1:34 Yang Shi [this message]
2019-12-06  1:47 ` John Hubbard
2019-12-06  7:47 ` Michal Hocko
2019-12-06  8:25 ` John Hubbard
2019-12-06  9:45   ` Michal Hocko
2019-12-06 17:31     ` Yang Shi
2019-12-06 18:00       ` Qian Cai
2019-12-06 18:19         ` Christopher Lameter
2019-12-06 17:26   ` Yang Shi
2019-12-14  1:55     ` Michael Kerrisk (man-pages)
2019-12-18  7:36       ` John Hubbard
2019-12-18 10:17         ` Michal Hocko
2019-12-31  3:00           ` Yang Shi
2019-12-31  3:49             ` Eric W. Biederman
2020-01-02 22:15               ` Yang Shi
2019-12-31  2:49         ` Yang Shi

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