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[Xen-devel] [PATCH] linux/i386: fix ordering in pte_free_kernel()

from [Jan Beulich]

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Subject:	[Xen-devel] [PATCH] linux/i386: fix ordering in pte_free_kernel()
From:	"Jan Beulich" <jbeulich@xxxxxxxxxx>
Date:	Fri, 18 Jul 2008 10:38:48 +0100
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Almost as usual, written and tested on 2.6.16.60 and made apply to the
2.6.18 tree without further testing.

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

Index: sle10sp2-2008-07-16/include/asm-i386/mach-xen/asm/pgalloc.h
===================================================================
--- sle10sp2-2008-07-16.orig/include/asm-i386/mach-xen/asm/pgalloc.h    
2007-12-10 10:34:42.000000000 +0100
+++ sle10sp2-2008-07-16/include/asm-i386/mach-xen/asm/pgalloc.h 2008-07-16 
10:19:55.000000000 +0200
@@ -36,8 +36,8 @@ extern struct page *pte_alloc_one(struct
 
 static inline void pte_free_kernel(pte_t *pte)
 {
-       free_page((unsigned long)pte);
        make_lowmem_page_writable(pte, XENFEAT_writable_page_tables);
+       free_page((unsigned long)pte);
 }
 
 extern void pte_free(struct page *pte);




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