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-rw-r--r--mm/migrate.c28
1 files changed, 2 insertions, 26 deletions
diff --git a/mm/migrate.c b/mm/migrate.c
index b44a067fee1..3ec47d3394c 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -979,6 +979,8 @@ static int unmap_and_move_huge_page(new_page_t get_new_page,
unlock_page(hpage);
out:
+ if (rc != -EAGAIN)
+ putback_active_hugepage(hpage);
put_page(new_hpage);
if (result) {
if (rc)
@@ -1066,32 +1068,6 @@ out:
return rc;
}
-int migrate_huge_page(struct page *hpage, new_page_t get_new_page,
- unsigned long private, enum migrate_mode mode)
-{
- int pass, rc;
-
- for (pass = 0; pass < 10; pass++) {
- rc = unmap_and_move_huge_page(get_new_page, private,
- hpage, pass > 2, mode);
- switch (rc) {
- case -ENOMEM:
- goto out;
- case -EAGAIN:
- /* try again */
- cond_resched();
- break;
- case MIGRATEPAGE_SUCCESS:
- goto out;
- default:
- rc = -EIO;
- goto out;
- }
- }
-out:
- return rc;
-}
-
#ifdef CONFIG_NUMA
/*
* Move a list of individual pages