From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Greg KH <greg@kroah.com>, Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@elte.hu>
Subject: [patch 1/5] vmalloc: do not check for freed locks on user maps
Date: Wed, 05 Mar 2008 16:03:42 -0000 [thread overview]
Message-ID: <20080305155117.447021903@linutronix.de> (raw)
In-Reply-To: 20080305154829.185609547@linutronix.de
[-- Attachment #1: no-check-freed-on-user-maps.patch --]
[-- Type: text/plain, Size: 653 bytes --]
User maps do not contain kernel internal objects. No need to check
them.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ingo Molnar <mingo@elte.hu>
---
mm/vmalloc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
Index: linux-2.6/mm/vmalloc.c
===================================================================
--- linux-2.6.orig/mm/vmalloc.c
+++ linux-2.6/mm/vmalloc.c
@@ -382,7 +382,8 @@ static void __vunmap(const void *addr, i
return;
}
- debug_check_no_locks_freed(addr, area->size);
+ if (!(area->flags & VM_USERMAP))
+ debug_check_no_locks_freed(addr, area->size);
if (deallocate_pages) {
int i;
--
next prev parent reply other threads:[~2008-03-05 16:04 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-05 16:03 [patch 0/5] object debugging infrastructure V2 Thomas Gleixner
2008-03-05 16:03 ` Thomas Gleixner [this message]
2008-03-05 16:28 ` [patch 1/5] vmalloc: do not check for freed locks on user maps Nick Piggin
2008-03-05 17:20 ` Thomas Gleixner
2008-03-05 22:56 ` Nick Piggin
2008-03-05 23:31 ` Thomas Gleixner
2008-03-06 2:34 ` Nick Piggin
2008-03-05 16:03 ` [patch 2/5] slab: add a flag to prevent debug_free checks on a kmem_cache Thomas Gleixner
2008-03-05 16:03 ` [patch 3/5] infrastructure to debug (dynamic) objects Thomas Gleixner
2008-03-05 16:04 ` [patch 4/5] debugobjects: add documentation Thomas Gleixner
2008-03-10 20:13 ` Randy Dunlap
2008-03-21 14:25 ` Thomas Gleixner
2008-03-05 16:04 ` [patch 5/5] debugobjects: add timer specific object debugging code Thomas Gleixner
2008-03-05 20:14 ` Thomas Gleixner
2008-03-05 18:53 ` [patch 0/5] object debugging infrastructure V2 Greg KH
2008-03-06 1:48 ` Greg KH
2008-03-06 7:54 ` Thomas Gleixner
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