summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--include/linux/migrate.h2
-rw-r--r--mm/compaction.c2
-rw-r--r--mm/migrate.c6
3 files changed, 5 insertions, 5 deletions
diff --git a/include/linux/migrate.h b/include/linux/migrate.h
index ae8d475a9385..43d5deb0c4cc 100644
--- a/include/linux/migrate.h
+++ b/include/linux/migrate.h
@@ -37,7 +37,7 @@ extern int migrate_page(struct address_space *,
struct page *, struct page *, enum migrate_mode);
extern int migrate_pages(struct list_head *l, new_page_t new, free_page_t free,
unsigned long private, enum migrate_mode mode, int reason);
-extern bool isolate_movable_page(struct page *page, isolate_mode_t mode);
+extern int isolate_movable_page(struct page *page, isolate_mode_t mode);
extern void putback_movable_page(struct page *page);
extern int migrate_prep(void);
diff --git a/mm/compaction.c b/mm/compaction.c
index 0aa2757399ee..0fdfde016ee2 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -802,7 +802,7 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn,
locked = false;
}
- if (isolate_movable_page(page, isolate_mode))
+ if (!isolate_movable_page(page, isolate_mode))
goto isolate_success;
}
diff --git a/mm/migrate.c b/mm/migrate.c
index 87f4d0f81819..6807174e0715 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -74,7 +74,7 @@ int migrate_prep_local(void)
return 0;
}
-bool isolate_movable_page(struct page *page, isolate_mode_t mode)
+int isolate_movable_page(struct page *page, isolate_mode_t mode)
{
struct address_space *mapping;
@@ -125,14 +125,14 @@ bool isolate_movable_page(struct page *page, isolate_mode_t mode)
__SetPageIsolated(page);
unlock_page(page);
- return true;
+ return 0;
out_no_isolated:
unlock_page(page);
out_putpage:
put_page(page);
out:
- return false;
+ return -EBUSY;
}
/* It should be called on page which is PG_movable */