---

yaml --- r: 42650 b: refs/heads/master c: 098fe65 h: refs/heads/master v: v3
git-mirror · Dec 7, 2006 · b9ef0f9 · b9ef0f9
1 parent c7ce5a9
commit b9ef0f9
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Showing 3 changed files with 2 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cd54e7e54318d333227b13186f9a464bf1f68d27
+refs/heads/master: 098fe651f7e9d759d1117c78c1a642b9b3945922
diff --git a/trunk/mm/filemap.c b/trunk/mm/filemap.c
@@ -1445,7 +1445,6 @@ struct page *filemap_nopage(struct vm_area_struct *area,
 	 * 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/trunk/mm/memory.c b/trunk/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);