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 <[email protected]>
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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