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[SSI] openssi/kernel/mm vmscan.c,1.2.2.6,1.2.2.7: msg#00200
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Subject: |
[SSI] openssi/kernel/mm vmscan.c,1.2.2.6,1.2.2.7 |
Update of /cvsroot/ssic-linux/openssi/kernel/mm
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv31952/mm
Modified Files:
Tag: OPENSSI-RH
vmscan.c
Log Message:
Workaround for bug #942643: Fix launder_page() to skip CFS pages
Avoid kswapd/kupdated deadlock
Index: vmscan.c
===================================================================
RCS file: /cvsroot/ssic-linux/openssi/kernel/mm/Attic/vmscan.c,v
retrieving revision 1.2.2.6
retrieving revision 1.2.2.7
diff -u -d -r1.2.2.6 -r1.2.2.7
--- vmscan.c 7 Apr 2004 01:22:07 -0000 1.2.2.6
+++ vmscan.c 29 Apr 2004 00:52:31 -0000 1.2.2.7
@@ -28,6 +28,9 @@
#include <asm/pgalloc.h>
+#ifdef CONFIG_CFS
+extern int cfs_writepage(struct page *);
+#endif
static void refill_freelist(void);
static void wakeup_memwaiters(void);
/*
@@ -348,8 +351,19 @@
int (*writepage)(struct page *);
writepage = page->mapping->a_ops->writepage;
+#ifndef CONFIG_CFS
if ((gfp_mask & __GFP_FS) && writepage &&
- writepage != fail_writepage) {
+ writepage != fail_writepage)
+#else /* CONFIG_CFS */
+ /* Right now CFS does everything syncrounous,
+ * so to avoid deadlock with kupdated, don't
+ * writepage here
+ */
+ if ((gfp_mask & __GFP_FS) && writepage &&
+ writepage != fail_writepage &&
+ writepage != cfs_writepage)
+#endif /* CONFIG_CFS */
+ {
ClearPageDirty(page);
SetPageLaunder(page);
lru_unlock(zone);
-------------------------------------------------------
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