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mm/slub: remove dummy slabinfo functions

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The SLAB implementation has been removed since 6.8, so there is no
other version of slabinfo_show_stats() and slabinfo_write(), then we
can remove these two dummy functions.

Signed-off-by: Xiu Jianfeng <xiujianfeng@huawei.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
This commit is contained in:
Xiu Jianfeng 2024-03-21 13:17:33 +00:00 committed by Vlastimil Babka
parent 4cece76496
commit ad7c5ebead
3 changed files with 0 additions and 15 deletions
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3
mm/slab.h
View file

@ -496,9 +496,6 @@ struct slabinfo {
};
void get_slabinfo(struct kmem_cache *s, struct slabinfo *sinfo);
void slabinfo_show_stats(struct seq_file *m, struct kmem_cache *s);
ssize_t slabinfo_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos);
#ifdef CONFIG_SLUB_DEBUG
#ifdef CONFIG_SLUB_DEBUG_ON

2
mm/slab_common.c
View file

@ -1078,7 +1078,6 @@ static void cache_show(struct kmem_cache *s, struct seq_file *m)
sinfo.limit, sinfo.batchcount, sinfo.shared);
seq_printf(m, " : slabdata %6lu %6lu %6lu",
sinfo.active_slabs, sinfo.num_slabs, sinfo.shared_avail);
slabinfo_show_stats(m, s);
seq_putc(m, '\n');
}
@ -1155,7 +1154,6 @@ static const struct proc_ops slabinfo_proc_ops = {
.proc_flags = PROC_ENTRY_PERMANENT,
.proc_open = slabinfo_open,
.proc_read = seq_read,
.proc_write = slabinfo_write,
.proc_lseek = seq_lseek,
.proc_release = seq_release,
};

10
mm/slub.c
View file

@ -7099,14 +7099,4 @@ void get_slabinfo(struct kmem_cache *s, struct slabinfo *sinfo)
sinfo->objects_per_slab = oo_objects(s->oo);
sinfo->cache_order = oo_order(s->oo);
}
void slabinfo_show_stats(struct seq_file *m, struct kmem_cache *s)
{
}
ssize_t slabinfo_write(struct file *file, const char __user *buffer,
size_t count, loff_t *ppos)
{
return -EIO;
}
#endif /* CONFIG_SLUB_DEBUG */