[Xen-changelog] [xen-unstable] p2m: use xzalloc() for struct p2m_domain allocation

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Jan Beulich <jbeulich@xxxxxxxx>
# Date 1318588035 -7200
# Node ID c3c0ebfad1024b80a846f5fa20b130aba39348bb
# Parent  e4608c0a48a15a9a66533239cd8822da4260be52
p2m: use xzalloc() for struct p2m_domain allocation

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx>
Acked-by: Tim Deegan <tim@xxxxxxx>
---


diff -r e4608c0a48a1 -r c3c0ebfad102 xen/arch/x86/mm/p2m.c
--- a/xen/arch/x86/mm/p2m.c     Fri Oct 14 12:26:20 2011 +0200
+++ b/xen/arch/x86/mm/p2m.c     Fri Oct 14 12:27:15 2011 +0200
@@ -71,7 +71,6 @@
 /* Init the datastructures for later use by the p2m code */
 static void p2m_initialise(struct domain *d, struct p2m_domain *p2m)
 {
-    memset(p2m, 0, sizeof(*p2m));
     mm_lock_init(&p2m->lock);
     INIT_LIST_HEAD(&p2m->np2m_list);
     INIT_PAGE_LIST_HEAD(&p2m->pages);
@@ -100,7 +99,7 @@
 
     mm_lock_init(&d->arch.nested_p2m_lock);
     for (i = 0; i < MAX_NESTEDP2M; i++) {
-        d->arch.nested_p2m[i] = p2m = xmalloc(struct p2m_domain);
+        d->arch.nested_p2m[i] = p2m = xzalloc(struct p2m_domain);
         if (p2m == NULL)
             return -ENOMEM;
         p2m_initialise(d, p2m);
@@ -115,7 +114,7 @@
 {
     struct p2m_domain *p2m;
 
-    p2m_get_hostp2m(d) = p2m = xmalloc(struct p2m_domain);
+    p2m_get_hostp2m(d) = p2m = xzalloc(struct p2m_domain);
     if ( p2m == NULL )
         return -ENOMEM;
     p2m_initialise(d, p2m);

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