From: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
25-akpm/include/linux/pid.h | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
diff -puN include/linux/pid.h~use-hlist-for-pid-hash-cache-friendliness include/linux/pid.h
--- 25/include/linux/pid.h~use-hlist-for-pid-hash-cache-friendliness 2004-08-21 23:42:27.169260240 -0700
+++ 25-akpm/include/linux/pid.h 2004-08-21 23:42:27.173259632 -0700
@@ -12,11 +12,12 @@ enum pid_type
struct pid
{
+ /* Try to keep hash_chain in the same cacheline as nr for find_pid */
+ struct hlist_node hash_chain;
int nr;
atomic_t count;
struct task_struct *task;
struct list_head task_list;
- struct hlist_node hash_chain;
};
struct pid_link
_