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    Subject[RFC 6/7] Use an external declaration in exit.c for fs_cachep
    Use an external declaration in exit.c for fs_cachep.

    fs_cachep is only used in kernel/exit.c and in kernel/fork.c.
    It is defined in kernel/fork.c so we need to add an external
    declaration to kernel/exit.c to be able to avoid the
    declaration.

    Signed-off-by: Christoph Lameter <clameter@sgi.com>

    Index: linux-2.6.19-rc5-mm2/include/linux/slab.h
    ===================================================================
    --- linux-2.6.19-rc5-mm2.orig/include/linux/slab.h 2006-11-17 23:04:05.859898302 -0600
    +++ linux-2.6.19-rc5-mm2/include/linux/slab.h 2006-11-17 23:04:09.679562142 -0600
    @@ -298,7 +298,6 @@ static inline void kmem_set_shrinker(kme

    /* System wide caches */
    extern kmem_cache_t *names_cachep;
    -extern kmem_cache_t *fs_cachep;

    #endif /* __KERNEL__ */

    Index: linux-2.6.19-rc5-mm2/kernel/exit.c
    ===================================================================
    --- linux-2.6.19-rc5-mm2.orig/kernel/exit.c 2006-11-15 16:48:11.485511089 -0600
    +++ linux-2.6.19-rc5-mm2/kernel/exit.c 2006-11-17 23:04:09.764530373 -0600
    @@ -48,6 +48,8 @@
    #include <asm/pgtable.h>
    #include <asm/mmu_context.h>

    +extern kmem_cache_t *fs_cachep;
    +
    extern void sem_exit (void);

    static void exit_mm(struct task_struct * tsk);
    -
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