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Date: Wed, 21 Jul 2021 12:30:25 +0300 From: Mike Rapoport <rppt@...nel.org> To: "Matthew Wilcox (Oracle)" <willy@...radead.org> Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org, linux-fsdevel@...r.kernel.org, Vlastimil Babka <vbabka@...e.cz>, William Kucharski <william.kucharski@...cle.com>, Christoph Hellwig <hch@....de>, David Howells <dhowells@...hat.com>, "Kirill A . Shutemov" <kirill.shutemov@...ux.intel.com> Subject: Re: [PATCH v14 032/138] mm: Add folio_mapped() On Thu, Jul 15, 2021 at 04:35:18AM +0100, Matthew Wilcox (Oracle) wrote: > This function is the equivalent of page_mapped(). It is slightly > shorter as we do not need to handle the PageTail() case. Reimplement > page_mapped() as a wrapper around folio_mapped(). folio_mapped() > is 13 bytes smaller than page_mapped(), but the page_mapped() wrapper > is 30 bytes, for a net increase of 17 bytes of text. > > Signed-off-by: Matthew Wilcox (Oracle) <willy@...radead.org> > Acked-by: Vlastimil Babka <vbabka@...e.cz> > Reviewed-by: William Kucharski <william.kucharski@...cle.com> > Reviewed-by: Christoph Hellwig <hch@....de> > Reviewed-by: David Howells <dhowells@...hat.com> > Acked-by: Kirill A. Shutemov <kirill.shutemov@...ux.intel.com> > --- > include/linux/mm.h | 1 + > include/linux/mm_types.h | 6 ++++++ > mm/folio-compat.c | 6 ++++++ > mm/util.c | 29 ++++++++++++++++------------- > 4 files changed, 29 insertions(+), 13 deletions(-) Acked-by: Mike Rapoport <rppt@...ux.ibm.com>
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