linux-kernel - [PATCH 16/16] Remove already unneeded memners from struct pid

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Message-ID: <468DFA5D.2060809@openvz.org>
Date:	Fri, 06 Jul 2007 12:16:29 +0400
From:	Pavel Emelianov <xemul@...nvz.org>
To:	Andrew Morton <akpm@...l.org>
CC:	Sukadev Bhattiprolu <sukadev@...ibm.com>,
	Serge Hallyn <serue@...ibm.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Linux Containers <containers@...ts.osdl.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kirill Korotaev <dev@...nvz.org>
Subject: [PATCH 16/16] Remove already unneeded memners from struct pid

Since we've switched from using these we may just remove them.

Signed-off-by: Pavel Emelianov <xemul@...nvz.org>

---

 init_task.h |    3 ---
 pid.h       |    3 ---
 2 files changed, 6 deletions(-)

diff -upr linux-2.6.22-rc4-mm2.orig/include/linux/pid.h linux-2.6.22-rc4-mm2-2/include/linux/pid.h
--- linux-2.6.22-rc4-mm2.orig/include/linux/pid.h	2007-06-14 12:14:29.000000000 +0400
+++ linux-2.6.22-rc4-mm2-2/include/linux/pid.h	2007-07-04 19:00:38.000000000 +0400
@@ -40,9 +40,6 @@ enum pid_type
 struct pid
 {
 	atomic_t count;
-	/* Try to keep pid_chain in the same cacheline as nr for find_pid */
-	int nr;
-	struct hlist_node pid_chain;
 	/* lists of tasks that use this pid */
 	struct hlist_head tasks[PIDTYPE_MAX];
 	struct rcu_head rcu;
diff -upr linux-2.6.22-rc4-mm2.orig/include/linux/init_task.h linux-2.6.22-rc4-mm2-2/include/linux/init_task.h
--- linux-2.6.22-rc4-mm2.orig/include/linux/init_task.h	2007-06-14 12:14:29.000000000 +0400
+++ linux-2.6.22-rc4-mm2-2/include/linux/init_task.h	2007-07-04 19:00:38.000000000 +0400
@@ -91,9 +91,6 @@ extern struct group_info init_groups;
 
 #define INIT_STRUCT_PID {						\
 	.count 		= ATOMIC_INIT(1),				\
-	.nr		= 0, 						\
-	/* Don't put this struct pid in pid_hash */			\
-	.pid_chain	= { .next = NULL, .pprev = NULL },		\
 	.tasks		= {						\
 		{ .first = &init_task.pids[PIDTYPE_PID].node },		\
 		{ .first = &init_task.pids[PIDTYPE_PGID].node },	\

-
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