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Unify /proc/slabinfo configuration

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Both SLUB and SLAB really did almost exactly the same thing for
/proc/slabinfo setup, using duplicate code and per-allocator #ifdef's.

This just creates a common CONFIG_SLABINFO that is enabled by both SLUB
and SLAB, and shares all the setup code.  Maybe SLOB will want this some
day too.

Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2008-01-02 13:04:48 -08:00
parent 6b6adc22a0
commit 158a962422
7 changed files with 23 additions and 27 deletions
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11
mm/slub.c
View file

@ -4127,7 +4127,14 @@ __initcall(slab_sysfs_init);
/*
* The /proc/slabinfo ABI
*/
#ifdef CONFIG_PROC_FS
#ifdef CONFIG_SLABINFO
ssize_t slabinfo_write(struct file *file, const char __user * buffer,
size_t count, loff_t *ppos)
{
return -EINVAL;
}
static void print_slabinfo_header(struct seq_file *m)
{
@ -4201,4 +4208,4 @@ const struct seq_operations slabinfo_op = {
.show = s_show,
};
#endif /* CONFIG_PROC_FS */
#endif /* CONFIG_SLABINFO */