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From: William Lee Irwin III <wli@holomorphy.com>
To: Kirill Korotaev <kksx@mail.ru>
Cc: akpm@osdl.org, torvalds@osdl.org, linux-kernel@vger.kernel.org
Subject: [6/7] back out renaming of ->pid_chain
Date: Wed, 1 Sep 2004 10:35:29 -0700	[thread overview]
Message-ID: <20040901173529.GJ5492@holomorphy.com> (raw)
In-Reply-To: <20040901173327.GI5492@holomorphy.com>

On Wed, Sep 01, 2004 at 10:33:27AM -0700, William Lee Irwin III wrote:
> The renaming of struct pid was spurious; the following patch backs out
> this renaming.

The renaming of ->pid_chain was spurious; the following patch backs it out.


Index: kirill-2.6.9-rc1-mm2/include/linux/pid.h
===================================================================
--- kirill-2.6.9-rc1-mm2.orig/include/linux/pid.h	2004-09-01 09:28:48.595832976 -0700
+++ kirill-2.6.9-rc1-mm2/include/linux/pid.h	2004-09-01 10:13:28.949357304 -0700
@@ -12,9 +12,9 @@
 
 struct pid
 {
-	/* Try to keep hash_list in the same cacheline as nr for find_pid */
+	/* Try to keep pid_chain in the same cacheline as nr for find_pid */
 	int nr;
-	struct hlist_node hash_list;
+	struct hlist_node pid_chain;
 	/* list of pids with the same nr, only one of them is in the hash */
 	struct list_head pid_list;
 };
Index: kirill-2.6.9-rc1-mm2/kernel/pid.c
===================================================================
--- kirill-2.6.9-rc1-mm2.orig/kernel/pid.c	2004-09-01 09:31:25.972908024 -0700
+++ kirill-2.6.9-rc1-mm2/kernel/pid.c	2004-09-01 10:16:27.524209800 -0700
@@ -154,7 +154,7 @@
 	struct pid *pid;
 
 	hlist_for_each_entry(pid, elem,
-			&pid_hash[type][pid_hashfn(nr)], hash_list) {
+			&pid_hash[type][pid_hashfn(nr)], pid_chain) {
 		if (pid->nr == nr)
 			return pid;
 	}
@@ -168,11 +168,11 @@
 	task_pid = &task->pids[type];
 	pid = find_pid(type, nr);
 	if (pid == NULL) {
-		hlist_add_head(&task_pid->hash_list,
+		hlist_add_head(&task_pid->pid_chain,
 				&pid_hash[type][pid_hashfn(nr)]);
 		INIT_LIST_HEAD(&task_pid->pid_list);
 	} else {
-		INIT_HLIST_NODE(&task_pid->hash_list);
+		INIT_HLIST_NODE(&task_pid->pid_chain);
 		list_add_tail(&task_pid->pid_list, &pid->pid_list);
 	}
 	task_pid->nr = nr;
@@ -186,13 +186,13 @@
 	int nr;
 
 	pid = &task->pids[type];
-	if (!hlist_unhashed(&pid->hash_list)) {
-		hlist_del(&pid->hash_list);
+	if (!hlist_unhashed(&pid->pid_chain)) {
+		hlist_del(&pid->pid_chain);
 		if (!list_empty(&pid->pid_list)) {
 			pid_next = list_entry(pid->pid_list.next,
 						struct pid, pid_list);
 			/* insert next pid from pid_list to hash */
-			hlist_add_head(&pid_next->hash_list,
+			hlist_add_head(&pid_next->pid_chain,
 				&pid_hash[type][pid_hashfn(pid_next->nr)]);
 		}
 	}

  reply	other threads:[~2004-09-01 17:40 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-09-01 11:46 [PATCH] obscure pid implementation fix (v2) Kirill Korotaev
2004-09-01 15:36 ` William Lee Irwin III
2004-09-01 15:38   ` William Lee Irwin III
2004-09-01 16:58   ` William Lee Irwin III
2004-09-01 17:27     ` [1/7] make do_each_task_pid()/while_each_task_pid() typecheck William Lee Irwin III
2004-09-01 17:28       ` [2/7] make do_each_task_pid()/while_each_task_pid() require a semicolon following them William Lee Irwin III
2004-09-01 17:30         ` [3/7] make do_each_task_pid()/while_each_task_pid() parenthesize their arguments William Lee Irwin III
2004-09-01 17:32           ` [4/7] fix loop termination condition in do_each_task_pid()/while_each_task_pid() William Lee Irwin III
2004-09-01 17:33             ` [5/7] back out renaming of struct pid William Lee Irwin III
2004-09-01 17:35               ` William Lee Irwin III [this message]
2004-09-01 17:37                 ` [7/7] remove casting of __detach_pid() results to void William Lee Irwin III
2004-09-01 17:48       ` [1/7] make do_each_task_pid()/while_each_task_pid() typecheck Linus Torvalds
2004-09-01 17:59         ` [1/1] rework of Kirill Korotaev's pidhashing patch William Lee Irwin III

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