[ARCHIVE DEBUG 01/13] audit_debug: set reserve to same size as backlog

[Richard Guy Briggs]

Debug the unlikely possibility that the audit_backlog_limit reserve is
being overflowed too.  Make the reserve proportional to the backlog
limit.

Signed-off-by: Richard Guy Briggs <rgb at redhat.com>
---
 kernel/audit.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/audit.c b/kernel/audit.c
index 369cfcc..795d604 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1371,8 +1371,8 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask,
 	struct audit_buffer	*ab	= NULL;
 	struct timespec		t;
 	unsigned int		uninitialized_var(serial);
-	int reserve = 5; /* Allow atomic callers to go up to five
-			    entries over the normal backlog limit */
+	/* reserve: Allow atomic callers to go over the normal backlog limit */
+	int reserve = audit_backlog_limit/16;
 	unsigned long timeout_start = jiffies;
 
 	if (audit_initialized != AUDIT_INITIALIZED)
-- 
1.7.1