[Xen-changelog] [xen-3.4-testing] gnttab: Remove unused per-domain map_count field

["Xen patchbot-3.4-testing" <patchbot-3.4-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1243863291 -3600
# Node ID 5187513d78a8f3f622b666f65a562e1b6e9c74a5
# Parent  dbeac0c8ebbca4319530172598b2d250a0ba5f59
gnttab: Remove unused per-domain map_count field

Signed-off-by: Steven Smith <steven.smith@xxxxxxxxxxxxx>
xen-unstable changeset:   19625:d8d0f32090cb
xen-unstable date:        Tue May 19 23:30:32 2009 +0100
---
 xen/common/grant_table.c      |    2 --
 xen/include/xen/grant_table.h |    1 -
 2 files changed, 3 deletions(-)

diff -r dbeac0c8ebbc -r 5187513d78a8 xen/common/grant_table.c
--- a/xen/common/grant_table.c  Mon Jun 01 14:34:08 2009 +0100
+++ b/xen/common/grant_table.c  Mon Jun 01 14:34:51 2009 +0100
@@ -119,7 +119,6 @@ __get_maptrack_handle(
     if ( unlikely((h = t->maptrack_head) == (t->maptrack_limit - 1)) )
         return -1;
     t->maptrack_head = maptrack_entry(t, h).ref;
-    t->map_count++;
     return h;
 }
 
@@ -129,7 +128,6 @@ put_maptrack_handle(
 {
     maptrack_entry(t, handle).ref = t->maptrack_head;
     t->maptrack_head = handle;
-    t->map_count--;
 }
 
 static inline int
diff -r dbeac0c8ebbc -r 5187513d78a8 xen/include/xen/grant_table.h
--- a/xen/include/xen/grant_table.h     Mon Jun 01 14:34:08 2009 +0100
+++ b/xen/include/xen/grant_table.h     Mon Jun 01 14:34:51 2009 +0100
@@ -91,7 +91,6 @@ struct grant_table {
     struct grant_mapping **maptrack;
     unsigned int          maptrack_head;
     unsigned int          maptrack_limit;
-    unsigned int          map_count;
     /* Lock protecting updates to active and shared grant tables. */
     spinlock_t            lock;
 };

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