On 05/04/2018 08:33 PM, Matthew Wilcox wrote: > From: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx> > > By combining these three one-word unions into one three-word union, > we make it easier for users to add their own multi-word fields to struct > page, as well as making it obvious that SLUB needs to keep its double-word > alignment for its freelist & counters. > > No field moves position; verified with pahole. > > Signed-off-by: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx> > Acked-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> Acked-by: Vlastimil Babka <vbabka@xxxxxxx>
