[Xen-changelog] compute the correct totalram_pages when the balloon increase or decrease the

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

# HG changeset patch
# User vhanquez@xxxxxxxxxxxxxxxxxxxxxxx
# Node ID e47f04c55eb1612bca605c972943ae166aae22d0
# Parent  98c6c36ac4443ce7f95c87eb317bf13d868e14e0
compute the correct totalram_pages when the balloon increase or decrease the
reservation. memory reports should be more correct now.

From: Satoshi Uchida <s-uchida@xxxxxxxxxxxxx>
Signed-off-by: Vincent Hanquez <vincent@xxxxxxxxxxxxx>

diff -r 98c6c36ac444 -r e47f04c55eb1 
linux-2.6-xen-sparse/drivers/xen/balloon/balloon.c
--- a/linux-2.6-xen-sparse/drivers/xen/balloon/balloon.c        Mon Oct 24 
13:12:42 2005
+++ b/linux-2.6-xen-sparse/drivers/xen/balloon/balloon.c        Mon Oct 24 
11:57:37 2005
@@ -70,6 +70,9 @@
 static unsigned long current_pages;
 static unsigned long target_pages;
 
+/* VM /proc information for memory */
+extern unsigned long totalram_pages;
+
 /* We may hit the hard limit in Xen. If we do then we remember it. */
 static unsigned long hard_limit;
 
@@ -223,6 +226,7 @@
        }
 
        current_pages += nr_pages;
+       totalram_pages = current_pages;
 
  out:
        balloon_unlock(flags);
@@ -295,6 +299,7 @@
                XENMEM_decrease_reservation, &reservation) != nr_pages);
 
        current_pages -= nr_pages;
+       totalram_pages = current_pages;
 
        balloon_unlock(flags);
 

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