Re: page_launder() bug

David S. Miller (davem@redhat.com)
Sun, 6 May 2001 21:55:26 -0700 (PDT)


Jonathan Morton writes:
> >- page_count(page) == (1 + !!page->buffers));
>
> Two inversions in a row?

It is the most straightforward way to make a '1' or '0'
integer from the NULL state of a pointer.

Later,
David S. Miller
davem@redhat.com
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