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authorEric Paris <eparis@redhat.com>2009-08-07 16:54:29 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2009-09-24 03:50:26 -0400
commit44e51a1b7852bd421ff5303c64dcc5c8524c21ef (patch)
tree79005e642ba6a976ed6f561374bdab05e2fda40e
parente08b061ec0fca1f63bb1006bf1edc0556f36d0ae (diff)
Audit: rearrange audit_context to save 16 bytes per struct
pahole pointed out that on x86_64 struct audit_context can be rearrainged to save 16 bytes per struct. Since we have an audit_context per task this can acually be a pretty significant gain. Signed-off-by: Eric Paris <eparis@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--kernel/auditsc.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 68d3c6a0ecd..267e484f019 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -168,12 +168,12 @@ struct audit_context {
int in_syscall; /* 1 if task is in a syscall */
enum audit_state state, current_state;
unsigned int serial; /* serial number for record */
- struct timespec ctime; /* time of syscall entry */
int major; /* syscall number */
+ struct timespec ctime; /* time of syscall entry */
unsigned long argv[4]; /* syscall arguments */
- int return_valid; /* return code is valid */
long return_code;/* syscall return code */
u64 prio;
+ int return_valid; /* return code is valid */
int name_count;
struct audit_names names[AUDIT_NAMES];
char * filterkey; /* key for rule that triggered record */
@@ -198,8 +198,8 @@ struct audit_context {
char target_comm[TASK_COMM_LEN];
struct audit_tree_refs *trees, *first_trees;
- int tree_count;
struct list_head killed_trees;
+ int tree_count;
int type;
union {