The patch titled Subject: mm/page_isolation.c: fix a wrong flag in set_migratetype_isolate() has been added to the -mm tree. Its filename is mm-fix-a-wrong-flag-in-set_migratetype_isolate.patch

This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/mm-fix-a-wrong-flag-in-set_migratet... and later at http://ozlabs.org/~akpm/mmotm/broken-out/mm-fix-a-wrong-flag-in-set_migratet...

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------------------------------------------------------ From: Qian Cai cai@lca.pw Subject: mm/page_isolation.c: fix a wrong flag in set_migratetype_isolate()

Due to has_unmovable_pages() taking an incorrect irqsave flag instead of the isolation flag in set_migratetype_isolate(), there are issues with HWPOSION and error reporting where dump_page() is not called when there is an unmovable page.

Link: http://lkml.kernel.org/r/20190320204941.53731-1-cai@lca.pw Fixes: d381c54760dc ("mm: only report isolation failures when offlining memory") Acked-by: Michal Hocko mhocko@suse.com Reviewed-by: Oscar Salvador osalvador@suse.de Signed-off-by: Qian Cai cai@lca.pw Cc: stable@vger.kernel.org [5.0.x] Signed-off-by: Andrew Morton akpm@linux-foundation.org ---

--- a/mm/page_isolation.c~mm-fix-a-wrong-flag-in-set_migratetype_isolate +++ a/mm/page_isolation.c @@ -59,7 +59,8 @@ static int set_migratetype_isolate(struc * FIXME: Now, memory hotplug doesn't call shrink_slab() by itself. * We just check MOVABLE pages. */ - if (!has_unmovable_pages(zone, page, arg.pages_found, migratetype, flags)) + if (!has_unmovable_pages(zone, page, arg.pages_found, migratetype, + isol_flags)) ret = 0;

/* _

Patches currently in -mm which might be from cai@lca.pw are

kasan-fix-variable-tag-set-but-not-used-warning.patch mm-debug-add-a-cast-to-u64-for-atomic64_read.patch kmemleak-skip-scanning-holes-in-the-bss-section.patch kmemleak-skip-scanning-holes-in-the-bss-section-v2.patch mm-hotplug-fix-offline-undo_isolate_page_range.patch mm-compaction-abort-search-if-isolation-fails-v2.patch mm-hotplug-fix-notification-in-offline-error-path.patch mm-fix-a-wrong-flag-in-set_migratetype_isolate.patch mm-compaction-fix-an-undefined-behaviour.patch