Re: [31/37] Large blocksize support: Core piece

From: Christoph Lameter
Date: Thu Jun 21 2007 - 01:26:42 EST


On Wed, 20 Jun 2007, Bob Picco wrote:

> > + if (size > (PAGE_SIZE << MAX_ORDER) || size < 512 ||
> > + !is_power_of_2(size))
> I think this should be:
> if (size > (MAX_ORDER_NR_PAGES << PAGE_SHIFT) ...
> or
> if (size > (PAGE_SIZE << (MAX_ORDER - 1)) ...
> bob
> > return -EINVAL;


Right.... MAX_ORDER is the first illegal order not the last usable.

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