Re: [PATCH v5 05/14] mm, compaction: move pageblock checks up from isolate_migratepages_range()
From: Kirill A. Shutemov
Date: Tue Jul 29 2014 - 19:22:26 EST
On Tue, Jul 29, 2014 at 04:02:09PM -0700, David Rientjes wrote:
> Hmm, I'm confused at how that could be true, could you explain what
> memory other than thp can return true for PageTransHuge()?
PageTransHuge() will be true for any head of compound page if THP is
enabled compile time: hugetlbfs, slab, whatever.
Kirill A. Shutemov
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