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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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