Subject: + mm-migrate-remove-unused-function-fail_migrate_page.patch added to -mm tree
To: iamjoonsoo.kim@xxxxxxx,aquini@xxxxxxxxxx,cl@xxxxxxxxx,liwanp@xxxxxxxxxxxxxxxxxx,mgorman@xxxxxxx,n-horiguchi@xxxxxxxxxxxxx,riel@xxxxxxxxxx,vbabka@xxxxxxx,zhangyanfei@xxxxxxxxxxxxxx
From: akpm@xxxxxxxxxxxxxxxxxxxx
Date: Mon, 16 Dec 2013 11:55:54 -0800
The patch titled
Subject: mm/migrate: remove unused function, fail_migrate_page()
has been added to the -mm tree. Its filename is
mm-migrate-remove-unused-function-fail_migrate_page.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/mm-migrate-remove-unused-function-fail_migrate_page.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/mm-migrate-remove-unused-function-fail_migrate_page.patch
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------------------------------------------------------
From: Joonsoo Kim <iamjoonsoo.kim@xxxxxxx>
Subject: 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@xxxxxxx>
Acked-by: Christoph Lameter <cl@xxxxxxxxx>
Reviewed-by: Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx>
Reviewed-by: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
Cc: Rafael Aquini <aquini@xxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Cc: Wanpeng Li <liwanp@xxxxxxxxxxxxxxxxxx>
Cc: Mel Gorman <mgorman@xxxxxxx>
Cc: Rik van Riel <riel@xxxxxxxxxx>
Cc: Zhang Yanfei <zhangyanfei@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/linux/migrate.h | 4 ----
mm/migrate.c | 8 --------
2 files changed, 12 deletions(-)
diff -puN include/linux/migrate.h~mm-migrate-remove-unused-function-fail_migrate_page include/linux/migrate.h
--- a/include/linux/migrate.h~mm-migrate-remove-unused-function-fail_migrate_page
+++ a/include/linux/migrate.h
@@ -41,9 +41,6 @@ extern int migrate_page(struct address_s
extern int migrate_pages(struct list_head *l, new_page_t x,
unsigned long private, enum migrate_mode mode, int reason);
-extern int fail_migrate_page(struct address_space *,
- struct page *, struct page *);
-
extern int migrate_prep(void);
extern int migrate_prep_local(void);
extern int migrate_vmas(struct mm_struct *mm,
@@ -83,7 +80,6 @@ static inline int migrate_huge_page_move
/* Possible settings for the migrate_page() method in address_operations */
#define migrate_page NULL
-#define fail_migrate_page NULL
#endif /* CONFIG_MIGRATION */
diff -puN mm/migrate.c~mm-migrate-remove-unused-function-fail_migrate_page mm/migrate.c
--- a/mm/migrate.c~mm-migrate-remove-unused-function-fail_migrate_page
+++ a/mm/migrate.c
@@ -551,14 +551,6 @@ void migrate_page_copy(struct page *newp
* Migration functions
***********************************************************/
-/* Always fail migration. Used for mappings that are not movable */
-int fail_migrate_page(struct address_space *mapping,
- struct page *newpage, struct page *page)
-{
- return -EIO;
-}
-EXPORT_SYMBOL(fail_migrate_page);
-
/*
* Common logic to directly migrate a single page suitable for
* pages that do not use PagePrivate/PagePrivate2.
_
Patches currently in -mm which might be from iamjoonsoo.kim@xxxxxxx are
mm-mempolicy-correct-putback-method-for-isolate-pages-if-failed.patch
mm-compaction-respect-ignore_skip_hint-in-update_pageblock_skip.patch
mm-rmap-recompute-pgoff-for-huge-page.patch
mm-rmap-factor-nonlinear-handling-out-of-try_to_unmap_file.patch
mm-rmap-factor-lock-function-out-of-rmap_walk_anon.patch
mm-rmap-make-rmap_walk-to-get-the-rmap_walk_control-argument.patch
mm-rmap-extend-rmap_walk_xxx-to-cope-with-different-cases.patch
mm-rmap-use-rmap_walk-in-try_to_unmap.patch
mm-rmap-use-rmap_walk-in-try_to_munlock.patch
mm-rmap-use-rmap_walk-in-page_referenced.patch
mm-rmap-use-rmap_walk-in-page_mkclean.patch
mm-compaction-trace-compaction-begin-and-end.patch
mm-compaction-encapsulate-defer-reset-logic.patch
mm-compaction-reset-cached-scanner-pfns-before-reading-them.patch
mm-compaction-detect-when-scanners-meet-in-isolate_freepages.patch
mm-compaction-do-not-mark-unmovable-pageblocks-as-skipped-in-async-compaction.patch
mm-compaction-reset-scanner-positions-immediately-when-they-meet.patch
mm-migrate-add-comment-about-permanent-failure-path.patch
mm-migrate-correct-failure-handling-if-hugepage_migration_support.patch
mm-migrate-remove-putback_lru_pages-fix-comment-on-putback_movable_pages.patch
mm-migrate-remove-unused-function-fail_migrate_page.patch
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