mm/slab.h: fix argument order in cache_from_obj's error message
While debugging a networking issue, I hit a condition that triggered an object to be freed into the wrong kmem cache, and thus triggered the warning in cache_from_obj(). The arguments in the error message are in wrong order: the location of the object's kmem cache is in cachep, not s. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Cc: Christoph Lameter <cl@linux.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: David Rientjes <rientjes@google.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -330,7 +330,7 @@ static inline struct kmem_cache *cache_from_obj(struct kmem_cache *s, void *x)
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return cachep;
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pr_err("%s: Wrong slab cache. %s but object is from %s\n",
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__func__, cachep->name, s->name);
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__func__, s->name, cachep->name);
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WARN_ON_ONCE(1);
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return s;
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}
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