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9c860d1d5d
Patch series "mm: misc cleanups from __GFP_UNMAPPED series". In v2 of the __GFP_UNMAPPED series [0], we realised that some of the patches could potentially be merged as independent cleanups. These are all independent of one another, if you think some are useful cleanups and others are pointless churn, it should be fine to just pick whatever subset you prefer. No functional change intended. This patch (of 4): There are a couple of places that iterate over the freelists with awareness of the data structures' layout. It seems ideally, code outside of mm should not be aware of the page allocator's freelists at all. But, this patch just doesn't hide them completely, it's just a meek incremental step in that direction: provide a macro to iterate over it without needing to be aware of the actual struct fields. Link: https://lore.kernel.org/20260513-page_alloc-unmapped-prep-v1-0-dacdf5402be8@google.com Link: https://lore.kernel.org/20260513-page_alloc-unmapped-prep-v1-1-dacdf5402be8@google.com Link: https://lore.kernel.org/all/20260320-page_alloc-unmapped-v2-0-28bf1bd54f41@google.com/ [0] Signed-off-by: Brendan Jackman <jackmanb@google.com> Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org> Reviewed-by: Vlastimil Babka (SUSE) <vbabka@kernel.org> Cc: Axel Rasmussen <axelrasmussen@google.com> Cc: Barry Song <baohua@kernel.org> Cc: David Hildenbrand <david@kernel.org> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: Kairui Song <kasong@tencent.com> Cc: Len Brown <lenb@kernel.org> Cc: Liam R. Howlett <liam@infradead.org> Cc: Lorenzo Stoakes <ljs@kernel.org> Cc: Michal Hocko <mhocko@suse.com> Cc: "Rafael J. Wysocki" <rafael@kernel.org> Cc: Shakeel Butt <shakeel.butt@linux.dev> Cc: Suren Baghdasaryan <surenb@google.com> Cc: Wei Xu <weixugc@google.com> Cc: Yuanchu Xie <yuanchu@google.com> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>