slab: document kzfree() zeroing behavior

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As suggested by Alan Cox, document the fact that kzfree() can zero out a great
deal more memory than the what the user requested from kmalloc().

Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>

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Pekka Enberg 2009-05-31 13:50:38 +03:00

parent 59a3759d0f

commit a234bdc9ae

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4

mm/util.c

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