[PATCH] move_pages.2: not return ENOENT if the page are already on the target nodes

Yang Shi
2019-12-06T01:35:03Z

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