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Subject[RFC 1/7] Remove declaration of sighand_cachep from slab.h
Remove declaration of sighand_cachep from slab.h

The sighand cache is only used in fs/exec.c and kernel/fork.c. It is defined
in kernel/fork.c but also used in fs/exec.c. So add an extern declaration to
fs/exec.c and remove the definition from slab.h.

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

Index: linux-2.6.19-rc5-mm2/fs/exec.c
===================================================================
--- linux-2.6.19-rc5-mm2.orig/fs/exec.c 2006-11-15 16:47:59.065579813 -0600
+++ linux-2.6.19-rc5-mm2/fs/exec.c 2006-11-17 23:03:46.049603927 -0600
@@ -62,6 +62,8 @@ int core_uses_pid;
char core_pattern[128] = "core";
int suid_dumpable = 0;

+extern kmem_cache_t *sighand_cachep;
+
EXPORT_SYMBOL(suid_dumpable);
/* The maximal length of core_pattern is also specified in sysctl.c */

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 23:02:21.371436329 -0600
+++ linux-2.6.19-rc5-mm2/include/linux/slab.h 2006-11-17 23:03:46.114062585 -0600
@@ -302,7 +302,6 @@ extern kmem_cache_t *names_cachep;
extern kmem_cache_t *files_cachep;
extern kmem_cache_t *filp_cachep;
extern kmem_cache_t *fs_cachep;
-extern kmem_cache_t *sighand_cachep;
extern kmem_cache_t *bio_cachep;

#endif /* __KERNEL__ */
-
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