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[ovs-dev,v3,10/12] ovsdb: Reorder elements in ovsdb_table_schema structure.

Message ID 1476455835-77641-11-git-send-email-bhanuprakash.bodireddy@intel.com
State Superseded
Delegated to: Daniele Di Proietto
Headers show

Commit Message

Bodireddy, Bhanuprakash Oct. 14, 2016, 2:37 p.m. UTC 
By reordering the elements in ovsdb_table_schema structure, pad bytes
can be reduced and also a cache line is saved.

Before: structure size:72, holes:2, sum padbytes:10, cachelines:2
After: structure size:64, holes:1, sum padbytes:2, cachelines:1

Signed-off-by: Bhanuprakash Bodireddy <bhanuprakash.bodireddy@intel.com>
Co-authored-by: Antonio Fischetti <antonio.fischetti@intel.com>
Signed-off-by: Antonio Fischetti <antonio.fischetti@intel.com>
Acked-by: Jarno Rajahalme <jarno@ovn.org>
---
 ovsdb/table.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/ovsdb/table.h b/ovsdb/table.h
index f910d18..69dd649 100644
--- a/ovsdb/table.h
+++ b/ovsdb/table.h
@@ -28,9 +28,9 @@  struct uuid;
 struct ovsdb_table_schema {
     char *name;
     bool mutable;
-    struct shash columns;       /* Contains "struct ovsdb_column *"s. */
-    unsigned int max_rows;      /* Maximum number of rows. */
     bool is_root;               /* Part of garbage collection root set? */
+    unsigned int max_rows;      /* Maximum number of rows. */
+    struct shash columns;       /* Contains "struct ovsdb_column *"s. */
     struct ovsdb_column_set *indexes;
     size_t n_indexes;
 };