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Date: Fri, 30 Sep 2022 11:02:38 +0000 From: David Laight <David.Laight@...LAB.COM> To: 'Hugh Dickins' <hughd@...gle.com>, Vlastimil Babka <vbabka@...e.cz> CC: Joel Fernandes <joel@...lfernandes.org>, Hyeonggon Yoo <42.hyeyoo@...il.com>, Matthew Wilcox <willy@...radead.org>, Andrew Morton <akpm@...ux-foundation.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-mm@...ck.org" <linux-mm@...ck.org> Subject: RE: amusing SLUB compaction bug when CC_OPTIMIZE_FOR_SIZE > > > Regarding "conflicting" alignment requests: yes, I agree with you, > > > it would have to be a toolchain bug if when asked to align 2 and to > > > align 4, it chose not to align 4. See https://godbolt.org/z/3nGsTaf5e the align() directive takes precedence. Here you only want to ensure the alignment is at least 4. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)
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