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Audit: rearrange audit_context to save 16 bytes per struct

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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>
This commit is contained in:
Eric Paris 2009-08-07 16:54:29 -04:00 committed by Al Viro
parent e08b061ec0
commit 44e51a1b78
1 changed files with 3 additions and 3 deletions
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6
kernel/auditsc.c
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@ -168,12 +168,12 @@ struct audit_context {
int in_syscall; /* 1 if task is in a syscall */ int in_syscall; /* 1 if task is in a syscall */
enum audit_state state, current_state; enum audit_state state, current_state;
unsigned int serial; /* serial number for record */ unsigned int serial; /* serial number for record */
struct timespec ctime; /* time of syscall entry */
int major; /* syscall number */ int major; /* syscall number */
struct timespec ctime; /* time of syscall entry */
unsigned long argv[4]; /* syscall arguments */ unsigned long argv[4]; /* syscall arguments */
int return_valid; /* return code is valid */
long return_code;/* syscall return code */ long return_code;/* syscall return code */
u64 prio; u64 prio;
int return_valid; /* return code is valid */
int name_count; int name_count;
struct audit_names names[AUDIT_NAMES]; struct audit_names names[AUDIT_NAMES];
char * filterkey; /* key for rule that triggered record */ char * filterkey; /* key for rule that triggered record */
@ -198,8 +198,8 @@ struct audit_context {
char target_comm[TASK_COMM_LEN]; char target_comm[TASK_COMM_LEN];
struct audit_tree_refs *trees, *first_trees; struct audit_tree_refs *trees, *first_trees;
int tree_count;
struct list_head killed_trees; struct list_head killed_trees;
int tree_count;
int type; int type;
union { union {