From: Roger Pau Monné <roger.pau@citrix.com>
Date: Fri, 15 May 2015 08:07:50 +0000 (+0200)
Subject: x86/hap: make hap_track_dirty_vram use non-contiguous memory for temporary map
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~3231
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=acc0899ef41e763c665c542beca6809049fac11c;p=xen.git

x86/hap: make hap_track_dirty_vram use non-contiguous memory for temporary map

Just like it's done for shadow_track_dirty_vram allocate the temporary
buffer using non-contiguous memory.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Reviewed-by: Tim Deegan <tim@xen.org>
---

diff --git a/xen/arch/x86/mm/hap/hap.c b/xen/arch/x86/mm/hap/hap.c
index c28a6e3a50..cea7990fe9 100644
--- a/xen/arch/x86/mm/hap/hap.c
+++ b/xen/arch/x86/mm/hap/hap.c
@@ -87,7 +87,7 @@ int hap_track_dirty_vram(struct domain *d,
         }
 
         rc = -ENOMEM;
-        dirty_bitmap = xzalloc_bytes(size);
+        dirty_bitmap = vzalloc(size);
         if ( !dirty_bitmap )
             goto out;
 
@@ -174,7 +174,7 @@ int hap_track_dirty_vram(struct domain *d,
                                   p2m_ram_logdirty, p2m_ram_rw);
     }
 out:
-    xfree(dirty_bitmap);
+    vfree(dirty_bitmap);
 
     return rc;
 }