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[Qemu-devel] [PATCH v6 4/4] qcow2: reorder fields in Qcow2CachedTable to
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From: |
Alberto Garcia |
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Subject: |
[Qemu-devel] [PATCH v6 4/4] qcow2: reorder fields in Qcow2CachedTable to reduce padding |
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Date: |
Fri, 5 Jun 2015 18:27:24 +0200 |
Changing the current ordering saves 8 bytes per cache entry in x86_64.
Signed-off-by: Alberto Garcia <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Reviewed-by: Kevin Wolf <address@hidden>
---
block/qcow2-cache.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/qcow2-cache.c b/block/qcow2-cache.c
index c008ed0..1f0c47b 100644
--- a/block/qcow2-cache.c
+++ b/block/qcow2-cache.c
@@ -37,9 +37,9 @@
typedef struct Qcow2CachedTable {
int64_t offset;
- bool dirty;
uint64_t lru_counter;
int ref;
+ bool dirty;
} Qcow2CachedTable;
struct Qcow2Cache {
--
2.1.4