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[Xen-changelog] PAE PMDs must be made writable before freeing.

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Subject:	[Xen-changelog] PAE PMDs must be made writable before freeing.
From:	Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>
Date:	Tue, 09 Aug 2005 09:08:10 -0400
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# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 95d2bbf6a273d053e8876944a803b80c086e0b3e
# Parent  356b14d5ffc88ae30c48c139070fd1f993190cd7
PAE PMDs must be made writable before freeing.

diff -r 356b14d5ffc8 -r 95d2bbf6a273 
linux-2.6-xen-sparse/arch/xen/i386/mm/pgtable.c
--- a/linux-2.6-xen-sparse/arch/xen/i386/mm/pgtable.c   Tue Aug  9 13:04:54 2005
+++ b/linux-2.6-xen-sparse/arch/xen/i386/mm/pgtable.c   Tue Aug  9 13:08:25 2005
@@ -359,6 +359,7 @@
        if (PTRS_PER_PMD > 1) {
                for (i = 0; i < USER_PTRS_PER_PGD; ++i) {
                        pmd_t *pmd = (void *)__va(pgd_val(pgd[i])-1);
+                       make_page_writable(pmd);
                        kmem_cache_free(pmd_cache, pmd);
                }
                if (!HAVE_SHARED_KERNEL_PMD) {

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