[PATCH] balloon bugfix on -TESTING

[aq <aquynh@gmail.com>]

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This patch is for -testing, to fix some wrong calculates of max_pages
and max_memkb. Now balloon problem goes away (on *testing*).

Unfortunately i cannot confirm the similar fix to -unstable yesterday
is able to fix balloon problem, since i got some troubles creating
domU with the latest -unstable.

Demonstration:

$ xm list
Name              Id  Mem(MB)  CPU  State  Time(s)  Console
Domain-0           0       92    0  r----     44.3        
tty                1       40    0  -b---      0.9    9601

$ xm balloon tty 45
bun@dewey2:~/projects/myxen$ xm list
Name              Id  Mem(MB)  CPU  State  Time(s)  Console
Domain-0           0       92    0  r----     45.3        
tty                1       45    0  -b---      0.9    9601

bun@dewey2:~/projects/myxen$ xm balloon tty 35
bun@dewey2:~/projects/myxen$ xm list
Name              Id  Mem(MB)  CPU  State  Time(s)  Console
Domain-0           0       92    0  r----     46.1        
tty                1       35    0  -b---      0.9    9601


Signed-off-by: Nguyen Anh Quynh <aquynh@gmail.com>


$ diffstat balloon.patch 
 tools/libxc/xc_domain.c |    2 +-
 xen/common/dom0_ops.c   |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

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diff -r 1cf15df7acf7 tools/libxc/xc_domain.c
--- a/tools/libxc/xc_domain.c	Sat Jul 16 16:44:39 2005
+++ b/tools/libxc/xc_domain.c	Mon Jul 18 15:06:38 2005
@@ -107,7 +107,7 @@
             DOMFLAGS_SHUTDOWNMASK;
 
         info->nr_pages = op.u.getdomaininfo.tot_pages;
-        info->max_memkb = op.u.getdomaininfo.max_pages<<(PAGE_SHIFT);
+        info->max_memkb = op.u.getdomaininfo.max_pages<<(PAGE_SHIFT-10);
         info->shared_info_frame = op.u.getdomaininfo.shared_info_frame;
         info->cpu_time = op.u.getdomaininfo.cpu_time;
 
diff -r 1cf15df7acf7 xen/common/dom0_ops.c
--- a/xen/common/dom0_ops.c	Sat Jul 16 16:44:39 2005
+++ b/xen/common/dom0_ops.c	Mon Jul 18 15:06:38 2005
@@ -477,7 +477,7 @@
         if ( d != NULL )
         {
             d->max_pages = 
-                (op->u.setdomainmaxmem.max_memkb+PAGE_SIZE-1)>> PAGE_SHIFT;
+                (op->u.setdomainmaxmem.max_memkb)>> (PAGE_SHIFT-10);
             put_domain(d);
             ret = 0;
         }

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