patch -- mempool buglet (?)

[David Brownell]

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I noticed this when reading the mempool code ... looked
wrong to me, it was using kfree() not the de-allocator
matching the allocation it just made.  This is on a fault
path that likely doesn't get much use.

Compiles, untested, "looks right".

- Dave

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--- mm/mempool.c-dist	Tue Dec 31 10:03:51 2002
+++ mm/mempool.c	Tue Dec 31 10:04:24 2002
@@ -142,14 +142,14 @@
 		element = pool->alloc(gfp_mask, pool->pool_data);
 		if (!element)
 			goto out;
 		spin_lock_irqsave(&pool->lock, flags);
 		if (pool->curr_nr < pool->min_nr)
 			add_element(pool, element);
-		else
-			kfree(element);		/* Raced */
+		else 	/* Raced */
+			pool->free(element, pool->pool_data);
 	}
 out_unlock:
 	spin_unlock_irqrestore(&pool->lock, flags);
 out:
 	return 0;
 }

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