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Subject[PATCH] procfs: provide slub's /proc/slabinfo
SLUB's new slabinfo isn't there: it looks as if a last minute change
to Pekka's patch left it dependent on CONFIG_SLAB at the procfs end:
allow for CONFIG_SLUB too.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
---
To minimize ifdeffery, this leaves it with S_IWUSR though unwritable:
I'm assuming that's acceptable.

fs/proc/proc_misc.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

--- 2.6.24-rc6-git/fs/proc/proc_misc.c 2007-10-20 08:04:13.000000000 +0100
+++ linux/fs/proc/proc_misc.c 2008-01-02 17:55:57.000000000 +0000
@@ -410,15 +410,18 @@ static const struct file_operations proc
};
#endif

-#ifdef CONFIG_SLAB
+#if defined(CONFIG_SLAB) || defined(CONFIG_SLUB)
static int slabinfo_open(struct inode *inode, struct file *file)
{
return seq_open(file, &slabinfo_op);
}
+
static const struct file_operations proc_slabinfo_operations = {
.open = slabinfo_open,
.read = seq_read,
+#ifdef CONFIG_SLAB
.write = slabinfo_write,
+#endif
.llseek = seq_lseek,
.release = seq_release,
};
@@ -728,7 +731,7 @@ void __init proc_misc_init(void)
#endif
create_seq_entry("stat", 0, &proc_stat_operations);
create_seq_entry("interrupts", 0, &proc_interrupts_operations);
-#ifdef CONFIG_SLAB
+#if defined(CONFIG_SLAB) || defined(CONFIG_SLUB)
create_seq_entry("slabinfo",S_IWUSR|S_IRUGO,&proc_slabinfo_operations);
#ifdef CONFIG_DEBUG_SLAB_LEAK
create_seq_entry("slab_allocators", 0 ,&proc_slabstats_operations);

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