The patch titled Subject: mm/compaction: set compact_cached_free_pfn correctly in update_pageblock_skip has been added to the -mm mm-unstable branch. Its filename is mm-compaction-set-compact_cached_free_pfn-correctly-in-update_pageblock_skip.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-compaction-set-compact_cached_free_pfn-correctly-in-update_pageblock_skip.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx> Subject: mm/compaction: set compact_cached_free_pfn correctly in update_pageblock_skip Date: Sun, 30 Jul 2023 01:43:51 +0800 We will set skip to page block of block_start_pfn, it's more reasonable to set compact_cached_free_pfn to page block before the block_start_pfn. Link: https://lkml.kernel.org/r/20230729174354.2239980-3-shikemeng@xxxxxxxxxxxxxxx Signed-off-by: Kemeng Shi <shikemeng@xxxxxxxxxxxxxxx> Cc: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: Kemeng Shi <shikemeng@xxxxxxxxxx> Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx> Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/compaction.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/mm/compaction.c~mm-compaction-set-compact_cached_free_pfn-correctly-in-update_pageblock_skip +++ a/mm/compaction.c @@ -1716,7 +1716,8 @@ static void isolate_freepages(struct com /* Update the skip hint if the full pageblock was scanned */ if (isolate_start_pfn >= block_end_pfn) - update_pageblock_skip(cc, page, block_start_pfn); + update_pageblock_skip(cc, page, block_start_pfn - + pageblock_nr_pages); /* Are enough freepages isolated? */ if (cc->nr_freepages >= cc->nr_migratepages) { _ Patches currently in -mm which might be from shikemeng@xxxxxxxxxxxxxxx are mm-correct-stale-comment-of-function-check_pte.patch mm-page_table_check-remove-unused-parameters-in-page_table_check_clear.patch mm-page_table_check-remove-unused-parameters-in-page_table_check_set.patch mm-page_table_check-remove-unused-parameter-in-page_table_check_pte_clear.patch mm-page_table_check-remove-unused-parameter-in-page_table_check_pmd_clear.patch mm-page_table_check-remove-unused-parameter-in-page_table_check_pud_clear.patch mm-page_table_check-remove-unused-parameter-in-page_table_check_pte_set.patch mm-page_table_check-remove-unused-parameter-in-page_table_check_pmd_set.patch mm-page_table_check-remove-unused-parameter-in-page_table_check_pud_set.patch mm-page_ext-remove-unused-return-value-of-offline_page_ext.patch mm-page_ext-remove-rollback-for-untouched-mem_section-in-online_page_ext.patch mm-page_ext-move-functions-around-for-minor-cleanups-to-page_ext.patch mm-page_ext-add-common-function-to-get-client-data-from-page_ext.patch mm-page_ext-use-page_ext_data-helper-in-page_table_check.patch mm-page_ext-use-page_ext_data-helper-in-page_owner.patch mm-rmap-correct-stale-comment-of-rmap_walk_anon-and-rmap_walk_file.patch mm-page_poison-remove-unused-page_exth-from-page_poison.patch mm-vmstat-remove-unused-page_exth-from-vmstat.patch mm-page_ext-move-page_ext_operations-definition-under-config_page_extension.patch mm-compaction-allow-blockpfn-outside-of-pageblock-for-high-order-buddy-page.patch mm-compaction-set-compact_cached_free_pfn-correctly-in-update_pageblock_skip.patch mm-compaction-remove-unnecessary-cursor-page-in-isolate_freepages_block.patch mm-compaction-remove-unnecessary-else-continue-at-end-of-loop-in-isolate_freepages_block.patch