Messages in this thread Patch in this message | | | From | Wei Yang <> | Subject | [Patch v5 1/4] mm/migrate.c: no need to check for i > start in do_pages_move() | Date | Fri, 14 Feb 2020 08:30:14 +0800 |
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At this point, we always have i >= start. If i == start, store_status() will return 0. So we can drop the check for i > start.
[david@redhat.com rephrase changelog]
Signed-off-by: Wei Yang <richardw.yang@linux.intel.com> Acked-by: Michal Hocko <mhocko@suse.com> Reviewed-by: David Hildenbrand <david@redhat.com> --- mm/migrate.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/mm/migrate.c b/mm/migrate.c index b1092876e537..6d466de4d1d0 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -1675,11 +1675,9 @@ static int do_pages_move(struct mm_struct *mm, nodemask_t task_nodes, err += nr_pages - i - 1; goto out; } - if (i > start) { - err = store_status(status, start, current_node, i - start); - if (err) - goto out; - } + err = store_status(status, start, current_node, i - start); + if (err) + goto out; current_node = NUMA_NO_NODE; } out_flush: -- 2.17.1
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