On Thu, 13 Sep 2007 22:19:20 +0200
Richard Knutsson <[email protected]> wrote:
> > +static inline int page_is_pagecache(struct page *page)
> >
> Why return it as an 'int' instead of 'bool'?
> > +{
> > + if (!page->mapping || (page->mapping & PAGE_MAPPING_ANON))
> > + return 0;
> > + return 1;
> > +}
Ah, I missed bool type just because I have no experience to use 'bool' in
Linux kernel. ok, will try in the next version. thank you.
> >
> Not easier with 'return page->mapping && (page->mapping &
> PAGE_MAPPING_ANON) == 0;'?
> > +
yours seems better.
>
> > static inline int PageAnon(struct page *page)
> >
> Change to bool? Then "you" can also remove the '!!' from:
> mm/memory.c:483: rss[!!PageAnon(page)]++;
Hmm, will try unless it makes diff big.
> > {
> > - return ((unsigned long)page->mapping & PAGE_MAPPING_ANON) != 0;
> > + return (page->mapping & PAGE_MAPPING_ANON) != 0;
> > +}
> > +
> >
> <snip>
>
> If you don't mind bool(eans) (for some reason), I can/will check out the
> rest.
>
Thank you. I'll try 'bool' type.
Regards,
-Kame
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