Re: [PATCH 19/23] truncate: support huge pages

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On Tue, Aug 06, 2013 at 01:23:48PM -0700, Dave Hansen wrote:
> On 08/03/2013 07:17 PM, Kirill A. Shutemov wrote:
> > +			if (PageTransTailCache(page)) {
> > +				/* part of already handled huge page */
> > +				if (!page->mapping)
> > +					continue;
> > +				/* the range starts in middle of huge page */
> > +				partial_thp_start = true;
> > +				start = index & ~HPAGE_CACHE_INDEX_MASK;
> > +				continue;
> > +			}
> > +			/* the range ends on huge page */
> > +			if (PageTransHugeCache(page) &&
> > +				index == (end & ~HPAGE_CACHE_INDEX_MASK)) {
> > +				partial_thp_end = true;
> > +				end = index;
> > +				break;
> > +			}
> 
> Still reading through the code, but that "index ==" line's indentation
> is screwed up.  It makes it look like "index == " is a line of code
> instead of part of the if() condition.

I screwed it up myself. Otherwise, the line is too long. :-/

Probably, I should move partial page logic into separate function.

-- 
 Kirill A. Shutemov

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