Due to the previous patch, soft_offline_huge_page() switches to use
migrate_pages(), and migrate_huge_page() is not used any more.
So let's remove it.
Signed-off-by: Naoya Horiguchi <n-horigu...@ah.jp.nec.com>
---
include/linux/migrate.h | 6 ------
mm/migrate.c | 28 ----------------------------
2 files changed, 34 deletions(-)
diff --git v3.8.orig/include/linux/migrate.h v3.8/include/linux/migrate.h
index d626c27..dc085e1 100644
--- v3.8.orig/include/linux/migrate.h
+++ v3.8/include/linux/migrate.h
@@ -45,9 +45,6 @@ extern int migrate_pages(struct list_head *l, new_page_t x,
extern int migrate_movable_pages(struct list_head *from,
new_page_t get_new_page, unsigned long private, bool offlining,
enum migrate_mode mode, int reason);
-extern int migrate_huge_page(struct page *, new_page_t x,
- unsigned long private, bool offlining,
- enum migrate_mode mode);
extern int fail_migrate_page(struct address_space *,
struct page *, struct page *);
@@ -70,9 +67,6 @@ static inline int migrate_pages(struct list_head *l,
new_page_t x,
static inline int migrate_movable_pages(struct list_head *from,
new_page_t get_new_page, unsigned long private, bool offlining,
enum migrate_mode mode, int reason) { return -ENOSYS; }
-static inline int migrate_huge_page(struct page *page, new_page_t x,
- unsigned long private, bool offlining,
- enum migrate_mode mode) { return -ENOSYS; }
static inline int migrate_prep(void) { return -ENOSYS; }
static inline int migrate_prep_local(void) { return -ENOSYS; }
diff --git v3.8.orig/mm/migrate.c v3.8/mm/migrate.c
index 8c13cc5..7b2ca1a 100644
--- v3.8.orig/mm/migrate.c
+++ v3.8/mm/migrate.c
@@ -1106,34 +1106,6 @@ int migrate_movable_pages(struct list_head *from,
new_page_t get_new_page,
return err;
}
-int migrate_huge_page(struct page *hpage, new_page_t get_new_page,
- unsigned long private, bool offlining,
- 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,
offlining,
- 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
--
1.7.11.7
--
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