On Tue, 17 Jul 2012, Joonsoo Kim wrote: > move_pages() syscall may return success in case that > do_move_page_to_node_array return positive value which means migration failed. > This patch changes return value of do_move_page_to_node_array > for not returning positive value. It can fix the problem. > > Signed-off-by: Joonsoo Kim <js1...@gmail.com> > Cc: Brice Goglin <br...@myri.com> > Cc: Christoph Lameter <c...@linux.com> > Cc: Minchan Kim <minc...@kernel.org> > > diff --git a/mm/migrate.c b/mm/migrate.c > index 294d52a..adabaf4 100644 > --- a/mm/migrate.c > +++ b/mm/migrate.c > @@ -1171,7 +1171,7 @@ set_status: > } > > up_read(&mm->mmap_sem); > - return err; > + return err > 0 ? -EIO : err; > }
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