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e0932b6c1f
Free page accounting currently happens a bit too high up the call stack, where it has to deal with guard pages, compaction capturing, block stealing and even page isolation. This is subtle and fragile, and makes it difficult to hack on the code. Now that type violations on the freelists have been fixed, push the accounting down to where pages enter and leave the freelist. [hannes@cmpxchg.org: undo unrelated drive-by line wrap] Link: https://lkml.kernel.org/r/20240327185736.GA7597@cmpxchg.org [hannes@cmpxchg.org: remove unused page parameter from account_freepages()] Link: https://lkml.kernel.org/r/20240327185831.GB7597@cmpxchg.org [baolin.wang@linux.alibaba.com: fix free page accounting] Link: https://lkml.kernel.org/r/a2a48baca69f103aa431fd201f8a06e3b95e203d.1712648441.git.baolin.wang@linux.alibaba.com [andriy.shevchenko@linux.intel.com: avoid defining unused function] Link: https://lkml.kernel.org/r/20240423161506.2637177-1-andriy.shevchenko@linux.intel.com Link: https://lkml.kernel.org/r/20240320180429.678181-11-hannes@cmpxchg.org Signed-off-by: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com> Reviewed-by: Vlastimil Babka <vbabka@suse.cz> Tested-by: Baolin Wang <baolin.wang@linux.alibaba.com> Cc: David Hildenbrand <david@redhat.com> Cc: "Huang, Ying" <ying.huang@intel.com> Cc: Mel Gorman <mgorman@techsingularity.net> Cc: Zi Yan <ziy@nvidia.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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