diff --git a/include/linux/swap.h b/include/linux/swap.h index 997d838f0e70f7f028ee9daf75937c78b97a7cfd..eb591eaad1b7461af182422db9bc285230a68d6a 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -198,7 +198,7 @@ extern int rw_swap_page_sync(int, swp_entry_t, struct page *); extern struct address_space swapper_space; #define total_swapcache_pages swapper_space.nrpages extern void show_swap_cache_info(void); -extern int add_to_swap(struct page *); +extern int add_to_swap(struct page *, gfp_t); extern void __delete_from_swap_cache(struct page *); extern void delete_from_swap_cache(struct page *); extern int move_to_swap_cache(struct page *, swp_entry_t); diff --git a/mm/swap_state.c b/mm/swap_state.c index fc2aecb70a95c9e3559a2d4d1d4a2ae0700ebc50..7b09ac503fec9dde77422705a08b2a1f087d0d70 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -141,7 +141,7 @@ void __delete_from_swap_cache(struct page *page) * Allocate swap space for the page and add the page to the * swap cache. Caller needs to hold the page lock. */ -int add_to_swap(struct page * page) +int add_to_swap(struct page * page, gfp_t gfp_mask) { swp_entry_t entry; int err; @@ -166,7 +166,7 @@ int add_to_swap(struct page * page) * Add it to the swap cache and mark it dirty */ err = __add_to_swap_cache(page, entry, - GFP_ATOMIC|__GFP_NOMEMALLOC|__GFP_NOWARN); + gfp_mask|__GFP_NOMEMALLOC|__GFP_NOWARN); switch (err) { case 0: /* Success */ diff --git a/mm/vmscan.c b/mm/vmscan.c index daed4a73b761c0abdff9367e9c23235f2598202f..5393b093a87ba898bb88aec37691bbd795186580 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -458,7 +458,7 @@ static int shrink_list(struct list_head *page_list, struct scan_control *sc) * Try to allocate it some swap space here. */ if (PageAnon(page) && !PageSwapCache(page)) { - if (!add_to_swap(page)) + if (!add_to_swap(page, GFP_ATOMIC)) goto activate_locked; } #endif /* CONFIG_SWAP */ @@ -715,7 +715,7 @@ int migrate_pages(struct list_head *l, struct list_head *t) } if (PageAnon(page) && !PageSwapCache(page)) { - if (!add_to_swap(page)) { + if (!add_to_swap(page, GFP_KERNEL)) { unlock_page(page); list_move(&page->lru, &failed); nr_failed++;