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authorbibo mao <bibo_mao@linux.intel.com>2006-03-26 01:38:20 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-26 08:57:04 -0800
commitc6fd91f0bdcd294a0ae0ba2b2a7f7456ef4b7144 (patch)
tree1d095d1761a44118f101b2ce9697346ff168753a /arch/ia64
parentc9becf58d935265919bf1cb348b2c04492c8949d (diff)
[PATCH] kretprobe instance recycled by parent process
When kretprobe probes the schedule() function, if the probed process exits then schedule() will never return, so some kretprobe instances will never be recycled. In this patch the parent process will recycle retprobe instances of the probed function and there will be no memory leak of kretprobe instances. Signed-off-by: bibo mao <bibo.mao@intel.com> Cc: Masami Hiramatsu <hiramatu@sdl.hitachi.co.jp> Cc: Prasanna S Panchamukhi <prasanna@in.ibm.com> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/kernel/process.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 309d59658e5..355d57970ba 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -30,7 +30,6 @@
#include <linux/efi.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
-#include <linux/kprobes.h>
#include <asm/cpu.h>
#include <asm/delay.h>
@@ -738,13 +737,6 @@ void
exit_thread (void)
{
- /*
- * Remove function-return probe instances associated with this task
- * and put them back on the free list. Do not insert an exit probe for
- * this function, it will be disabled by kprobe_flush_task if you do.
- */
- kprobe_flush_task(current);
-
ia64_drop_fpu(current);
#ifdef CONFIG_PERFMON
/* if needed, stop monitoring and flush state to perfmon context */