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Subject[PATCH -mm 5/7][AIO] - Make __sigqueue_free() and __sigqueue_alloc() non static

From: Sébastien Dugué <sebastien.dugue@bull.net>

Make __sigqueue_alloc() and __sigqueue_free() non static

Allow subsystems to directly call into __sigqueue_alloc() and __sigqueue_free.
This is used by the AIO signal notification patch.


include/linux/signal.h | 3 +++
kernel/signal.c | 6 +++---
2 files changed, 6 insertions(+), 3 deletions(-)
Signed-off-by: Sébastien Dugué <sebastien.dugue@bull.net>


Index: linux-2.6.20-rc6-mm3/include/linux/signal.h
===================================================================
--- linux-2.6.20-rc6-mm3.orig/include/linux/signal.h 2007-01-30 11:41:36.000000000 +0100
+++ linux-2.6.20-rc6-mm3/include/linux/signal.h 2007-01-30 11:41:39.000000000 +0100
@@ -241,6 +241,9 @@ extern int sigprocmask(int, sigset_t *,
struct pt_regs;
extern int get_signal_to_deliver(siginfo_t *info, struct k_sigaction *return_ka, struct pt_regs *regs, void *cookie);
extern struct task_struct * sigevent_find_task(sigevent_t *);
+extern struct sigqueue *__sigqueue_alloc(struct task_struct *t, gfp_t flags,
+ int override_rlimit);
+extern void __sigqueue_free(struct sigqueue *q);

extern struct kmem_cache *sighand_cachep;

Index: linux-2.6.20-rc6-mm3/kernel/signal.c
===================================================================
--- linux-2.6.20-rc6-mm3.orig/kernel/signal.c 2007-01-30 11:41:36.000000000 +0100
+++ linux-2.6.20-rc6-mm3/kernel/signal.c 2007-01-30 11:41:39.000000000 +0100
@@ -268,8 +268,8 @@ next_signal(struct sigpending *pending,
return sig;
}

-static struct sigqueue *__sigqueue_alloc(struct task_struct *t, gfp_t flags,
- int override_rlimit)
+struct sigqueue *__sigqueue_alloc(struct task_struct *t, gfp_t flags,
+ int override_rlimit)
{
struct sigqueue *q = NULL;
struct user_struct *user;
@@ -295,7 +295,7 @@ static struct sigqueue *__sigqueue_alloc
return(q);
}

-static void __sigqueue_free(struct sigqueue *q)
+void __sigqueue_free(struct sigqueue *q)
{
if (q->flags & SIGQUEUE_PREALLOC)
return;
-
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