Since the rework done in a49bd4d71637 ("mm, numa: rework do_pages_move"),
move_pages() can return also positive value.
Signed-off-by: Jan Stancek <jstancek@xxxxxxxxxx>
---
man2/move_pages.2 | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
https://github.com/linux-test-project/ltp/issues/388
diff --git a/man2/move_pages.2 b/man2/move_pages.2
index f2c4f7f7a269..35cf6de1ba78 100644
--- a/man2/move_pages.2
+++ b/man2/move_pages.2
@@ -157,9 +157,11 @@ The page is not present.
.B -ENOMEM
Unable to allocate memory on target node.
.SH RETURN VALUE
-On success
+On success (since 4.17)
.BR move_pages ()
-returns zero.
+returns the number of pages that could not be moved
+(i.e., a return of zero means that all pages were successfully moved,
+older kernels return 0).
.\" FIXME . Is the following quite true: does the wrapper in numactl
.\" do the right thing?
On error, it returns \-1, and sets
--
1.8.3.1
