include/linux/huge_mm.h: check PageTail in hpage_nr_pages even when !THP
It's even more important to check that we don't have a tail page when calling hpage_nr_pages() when THP are disabled. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com> Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com> Link: http://lkml.kernel.org/r/20200318140253.6141-4-willy@infradead.orgSigned-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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