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-rw-r--r--mm/swap_state.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/mm/swap_state.c b/mm/swap_state.c
index d1bdb31cab13..a901afe9da61 100644
--- a/mm/swap_state.c
+++ b/mm/swap_state.c
@@ -498,7 +498,7 @@ struct page *swapin_readahead(swp_entry_t entry, gfp_t gfp_mask,
unsigned long start_offset, end_offset;
unsigned long mask;
struct blk_plug plug;
- bool do_poll = true;
+ bool do_poll = true, page_allocated;
mask = swapin_nr_pages(offset) - 1;
if (!mask)
@@ -514,14 +514,18 @@ struct page *swapin_readahead(swp_entry_t entry, gfp_t gfp_mask,
blk_start_plug(&plug);
for (offset = start_offset; offset <= end_offset ; offset++) {
/* Ok, do the async read-ahead now */
- page = read_swap_cache_async(swp_entry(swp_type(entry), offset),
- gfp_mask, vma, addr, false);
+ page = __read_swap_cache_async(
+ swp_entry(swp_type(entry), offset),
+ gfp_mask, vma, addr, &page_allocated);
if (!page)
continue;
- if (offset != entry_offset &&
- likely(!PageTransCompound(page))) {
- SetPageReadahead(page);
- count_vm_event(SWAP_RA);
+ if (page_allocated) {
+ swap_readpage(page, false);
+ if (offset != entry_offset &&
+ likely(!PageTransCompound(page))) {
+ SetPageReadahead(page);
+ count_vm_event(SWAP_RA);
+ }
}
put_page(page);
}