[Xen-changelog] Fix gnttab setup, which I broke 2 changesets ago.

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

# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 081b326162bcabd1c1245e16c14c8427f33b1b5e
# Parent  f9a806ba838a85a4b92efb42e333897bbaf195e2
Fix gnttab setup, which I broke 2 changesets ago.
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>

diff -r f9a806ba838a -r 081b326162bc 
linux-2.6-xen-sparse/arch/xen/kernel/gnttab.c
--- a/linux-2.6-xen-sparse/arch/xen/kernel/gnttab.c     Wed Sep 28 17:03:20 2005
+++ b/linux-2.6-xen-sparse/arch/xen/kernel/gnttab.c     Wed Sep 28 17:21:09 2005
@@ -454,7 +454,8 @@
 
        for (i = NR_RESERVED_ENTRIES; i < NR_GRANT_ENTRIES; i++)
                gnttab_list[i] = i + 1;
-       gnttab_free_count = NR_GRANT_ENTRIES;
+       gnttab_free_count = NR_GRANT_ENTRIES - NR_RESERVED_ENTRIES;
+       gnttab_free_head  = NR_RESERVED_ENTRIES;
 
 #ifdef CONFIG_PROC_FS
        /*

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