From c59923a15c12d2b3597af913bf234a0ef264a38b Mon Sep 17 00:00:00 2001 From: Christoph Hellwig Date: Mon, 10 Jul 2006 04:45:40 -0700 Subject: [PATCH] [PATCH] remove the tasklist_lock export As announced half a year ago this patch will remove the tasklist_lock export. The previous two patches got rid of the remaining modular users. Signed-off-by: Christoph Hellwig Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/feature-removal-schedule.txt | 11 ----------- kernel/fork.c | 4 +--- 2 files changed, 1 insertion(+), 14 deletions(-) diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index 99f219a..ee28798 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -166,17 +166,6 @@ Who: Arjan van de Ven --------------------------- -What: remove EXPORT_SYMBOL(tasklist_lock) -When: August 2006 -Files: kernel/fork.c -Why: tasklist_lock protects the kernel internal task list. Modules have - no business looking at it, and all instances in drivers have been due - to use of too-lowlevel APIs. Having this symbol exported prevents - moving to more scalable locking schemes for the task list. -Who: Christoph Hellwig - ---------------------------- - What: mount/umount uevents When: February 2007 Why: These events are not correct, and do not properly let userspace know diff --git a/kernel/fork.c b/kernel/fork.c index 56e4e07..926e5a6 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -61,9 +61,7 @@ int max_threads; /* tunable limit on nr_threads */ DEFINE_PER_CPU(unsigned long, process_counts) = 0; - __cacheline_aligned DEFINE_RWLOCK(tasklist_lock); /* outer */ - -EXPORT_SYMBOL(tasklist_lock); +__cacheline_aligned DEFINE_RWLOCK(tasklist_lock); /* outer */ int nr_processes(void) { -- 2.7.4