[Xen-changelog] [xen-unstable] [XEN][POWERPC] Explain the RMA values a little more

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

# HG changeset patch
# User Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
# Node ID a8c7ece9cccb8cd3dee3be28c891d6b7b7f9c6ee
# Parent  05b2b8b61cca596025ffe1ce6dc4ee7436603d5b
[XEN][POWERPC] Explain the RMA values a little more

Since I did not understand them myself.

Signed-off-by: Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
Signed-off-by: Hollis Blanchard <hollisb@xxxxxxxxxx>
---
 xen/arch/powerpc/powerpc64/ppc970.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff -r 05b2b8b61cca -r a8c7ece9cccb xen/arch/powerpc/powerpc64/ppc970.c
--- a/xen/arch/powerpc/powerpc64/ppc970.c       Tue Aug 22 11:16:01 2006 -0400
+++ b/xen/arch/powerpc/powerpc64/ppc970.c       Tue Aug 22 11:17:09 2006 -0400
@@ -13,9 +13,10 @@
  * along with this program; if not, write to the Free Software
  * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  *
- * Copyright (C) IBM Corp. 2005
+ * Copyright (C) IBM Corp. 2005, 2006
  *
  * Authors: Hollis Blanchard <hollisb@xxxxxxxxxx>
+ *          Jimi Xenidis <jimix@xxxxxxxxxxxxxx>
  */
 
 #include <xen/config.h>
@@ -36,7 +37,7 @@ unsigned int cpu_rma_order(void)
 unsigned int cpu_rma_order(void)
 {
     /* XXX what about non-HV mode? */
-    uint rma_log_size = 6 + 20; /* 64M */
+    uint rma_log_size = 6 + 20; /* (1 << 6) == 64 */
     return rma_log_size - PAGE_SHIFT;
 }
 

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