[Xen-changelog] [IA64] zero clear page for pgd, pmd, pte.

[Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User awilliam@xxxxxxxxxxx
# Node ID 7b2399cb65081895440b0a53e972d632cebb2ef2
# Parent  9eb9fa8a9933721dc42fe547d9c681a5142b5eaa
[IA64] zero clear page for pgd, pmd, pte.

xen heap page are not always zero cleared, so that explicit zeroing
is needed.

Signed-off-by: Isaku Yamahata <yamahata@xxxxxxxxxxxxx>

diff -r 9eb9fa8a9933 -r 7b2399cb6508 xen/arch/ia64/xen/xenmisc.c
--- a/xen/arch/ia64/xen/xenmisc.c       Thu Feb  9 20:35:11 2006
+++ b/xen/arch/ia64/xen/xenmisc.c       Thu Feb  9 20:43:39 2006
@@ -168,7 +168,11 @@
 
 void *pgtable_quicklist_alloc(void)
 {
-       return alloc_xenheap_pages(0);
+    void *p;
+    p = alloc_xenheap_pages(0);
+    if (p) 
+        clear_page(p);
+    return p;
 }
 
 void pgtable_quicklist_free(void *pgtable_entry)

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