On Thu, 14 Jan 2016, Joonsoo Kim wrote:

 /*
  * Calculate the number of objects and left-over bytes for a given buffer size.
  */
 static void cache_estimate(unsigned long gfporder, size_t buffer_size,
-			   size_t align, int flags, size_t *left_over,
-			   unsigned int *num)
+		unsigned long flags, size_t *left_over, unsigned int *num)
 {

Return the number of objects from the function? Avoid returning values by
reference. left_over is already bad enough.

Otherwise

Acked-by: Christoph Lameter <redacted>

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