diff --git a/include/linux/migrate.h b/include/linux/migrate.h index ae8d475a9385226a7af27a39d40a10937b0721e0..43d5deb0c4cce93362b7e8fbcf7614d0ca5869f0 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 0aa2757399ee00ace11a0492df09517fdea99f9e..0fdfde016ee283279b9a81c9b3e8f72f2ce3b353 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 87f4d0f818194ea68cd323b1bcf84dd430b826a3..6807174e0715fc9a5dffc3cb80307d23cb47db30 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 */