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-rw-r--r--mm/filemap.c1
-rw-r--r--mm/memory.c2
2 files changed, 1 insertions, 2 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index 13df01c5047..af7e2f5caea 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1445,7 +1445,6 @@ no_cached_page:
* effect.
*/
error = page_cache_read(file, pgoff);
- grab_swap_token();
/*
* The page we want has now been added to the page cache.
diff --git a/mm/memory.c b/mm/memory.c
index 156861fcac4..a07120da868 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1991,6 +1991,7 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
delayacct_set_flag(DELAYACCT_PF_SWAPIN);
page = lookup_swap_cache(entry);
if (!page) {
+ grab_swap_token(); /* Contend for token _before_ read-in */
swapin_readahead(entry, address, vma);
page = read_swap_cache_async(entry, vma, address);
if (!page) {
@@ -2008,7 +2009,6 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma,
/* Had to read the page from swap area: Major fault */
ret = VM_FAULT_MAJOR;
count_vm_event(PGMAJFAULT);
- grab_swap_token();
}
delayacct_clear_flag(DELAYACCT_PF_SWAPIN);