* [PATCH] 9/4 -ac to newer rmap
@ 2002-11-13 14:50 Rik van Riel
0 siblings, 0 replies; only message in thread
From: Rik van Riel @ 2002-11-13 14:50 UTC (permalink / raw)
To: Alan Cox; +Cc: Arjan van de Ven, linux-mm
No need to check PageSwapCache(page) twice in a row.
(ObWork: my patches are sponsored by Conectiva, Inc)
--- linux-2.4.19/mm/page_io.c 2002-11-13 08:48:31.000000000 -0200
+++ linux-2.4-rmap/mm/page_io.c 2002-11-13 12:10:46.000000000 -0200
@@ -87,7 +87,6 @@ static int rw_swap_page_base(int rw, swp
* - it's marked as being swap-cache
* - it's associated with the swap inode
*/
-
void rw_swap_page(int rw, struct page *page)
{
swp_entry_t entry;
@@ -98,8 +97,6 @@ void rw_swap_page(int rw, struct page *p
PAGE_BUG(page);
if (!PageSwapCache(page))
PAGE_BUG(page);
- if (page->mapping != &swapper_space)
- PAGE_BUG(page);
if (!rw_swap_page_base(rw, entry, page))
UnlockPage(page);
}
@@ -115,8 +112,6 @@ void rw_swap_page_nolock(int rw, swp_ent
if (!PageLocked(page))
PAGE_BUG(page);
- if (PageSwapCache(page))
- PAGE_BUG(page);
if (page->mapping)
PAGE_BUG(page);
/* needs sync_page to wait I/O completation */
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2002-11-13 14:50 [PATCH] 9/4 -ac to newer rmap Rik van Riel
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