[Xen-devel] [PATCH v7 3/4] xen/hap: make hap_track_dirty_vram use non-contiguous memory for temporary map

[Roger Pau Monne <roger.pau@xxxxxxxxxx>]

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

Signed-off-by: Roger Pau Monnà <roger.pau@xxxxxxxxxx>
Reviewed-by: Tim Deegan <tim@xxxxxxx>
Cc: Tim Deegan <tim@xxxxxxx>
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
Changes since v4:
 - Use vzalloc in order to allocate zeroed memory.
---
 xen/arch/x86/mm/hap/hap.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xen/arch/x86/mm/hap/hap.c b/xen/arch/x86/mm/hap/hap.c
index c28a6e3..cea7990 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;
 }
-- 
1.9.5 (Apple Git-50.3)


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