Commit 78d5506e82b21a1a1de68c24182db2c2fe521422
Committed by
Linus Torvalds
Linus Torvalds
1 parent
59c82b70dc
Exists in
master
and in
16 other branches
mm/migrate: remove unused function, fail_migrate_page()
fail_migrate_page() isn't used anywhere, so remove it. Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> Acked-by: Christoph Lameter <cl@linux.com> Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Reviewed-by: Wanpeng Li <liwanp@linux.vnet.ibm.com> Cc: Rafael Aquini <aquini@redhat.com> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: Wanpeng Li <liwanp@linux.vnet.ibm.com> Cc: Mel Gorman <mgorman@suse.de> Cc: Rik van Riel <riel@redhat.com> Cc: Zhang Yanfei <zhangyanfei@cn.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Showing 2 changed files with 0 additions and 12 deletions Side-by-side Diff
include/linux/migrate.h
| ... | ... | @@ -41,9 +41,6 @@ |
| 41 | 41 | extern int migrate_pages(struct list_head *l, new_page_t x, |
| 42 | 42 | unsigned long private, enum migrate_mode mode, int reason); |
| 43 | 43 | |
| 44 | -extern int fail_migrate_page(struct address_space *, | |
| 45 | - struct page *, struct page *); | |
| 46 | - | |
| 47 | 44 | extern int migrate_prep(void); |
| 48 | 45 | extern int migrate_prep_local(void); |
| 49 | 46 | extern int migrate_vmas(struct mm_struct *mm, |
| ... | ... | @@ -84,7 +81,6 @@ |
| 84 | 81 | |
| 85 | 82 | /* Possible settings for the migrate_page() method in address_operations */ |
| 86 | 83 | #define migrate_page NULL |
| 87 | -#define fail_migrate_page NULL | |
| 88 | 84 | |
| 89 | 85 | #endif /* CONFIG_MIGRATION */ |
| 90 | 86 |
mm/migrate.c
| ... | ... | @@ -552,14 +552,6 @@ |
| 552 | 552 | * Migration functions |
| 553 | 553 | ***********************************************************/ |
| 554 | 554 | |
| 555 | -/* Always fail migration. Used for mappings that are not movable */ | |
| 556 | -int fail_migrate_page(struct address_space *mapping, | |
| 557 | - struct page *newpage, struct page *page) | |
| 558 | -{ | |
| 559 | - return -EIO; | |
| 560 | -} | |
| 561 | -EXPORT_SYMBOL(fail_migrate_page); | |
| 562 | - | |
| 563 | 555 | /* |
| 564 | 556 | * Common logic to directly migrate a single page suitable for |
| 565 | 557 | * pages that do not use PagePrivate/PagePrivate2. |