The patch titled Subject: mm-memory_hotplug-simplify-page-offlining-fix has been added to the -mm tree. Its filename is mm-memory_hotplug-simplify-page-offlining-fix.patch This patch should soon appear at https://ozlabs.org/~akpm/mmots/broken-out/mm-memory_hotplug-simplify-page-offlining-fix.patch and later at https://ozlabs.org/~akpm/mmotm/broken-out/mm-memory_hotplug-simplify-page-offlining-fix.patch 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 and is updated there every 3-4 working days ------------------------------------------------------ From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Subject: mm-memory_hotplug-simplify-page-offlining-fix Cc: Baoquan He <bhe@xxxxxxxxxx> Cc: Charan Teja Reddy <charante@xxxxxxxxxxxxxx> Cc: Dan Williams <dan.j.williams@xxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx> Cc: Logan Gunthorpe <logang@xxxxxxxxxxxx> Cc: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> Cc: Mel Gorman <mgorman@xxxxxxx> Cc: Mel Gorman <mgorman@xxxxxxxxxxxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxx> Cc: Michel Lespinasse <walken@xxxxxxxxxx> Cc: Mike Rapoport <rppt@xxxxxxxxxx> Cc: Oscar Salvador <osalvador@xxxxxxx> Cc: Pankaj Gupta <pankaj.gupta.linux@xxxxxxxxx> Cc: Tony Luck <tony.luck@xxxxxxxxx> Cc: Wei Yang <richard.weiyang@xxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/memory_hotplug.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/mm/memory_hotplug.c~mm-memory_hotplug-simplify-page-offlining-fix +++ a/mm/memory_hotplug.c @@ -1580,9 +1580,10 @@ int __ref offline_pages(unsigned long st * because has_unmovable_pages explicitly checks for * PageBuddy on freed pages on other zones. */ + ret = test_pages_isolated(start_pfn, end_pfn, MEMORY_OFFLINE); if (ret) drain_all_pages(zone); - } while (test_pages_isolated(start_pfn, end_pfn, MEMORY_OFFLINE)); + } while (ret); /* Mark all sections offline and remove free pages from the buddy. */ __offline_isolated_pages(start_pfn, end_pfn); _ Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are mm-slub-re-initialize-randomized-freelist-sequence-in-calculate_sizes-fix.patch mm.patch mm-memory_hotplug-introduce-default-phys_to_target_node-implementation-fix.patch device-dax-make-align-a-per-device-property-fix.patch powerpc-mm-move-setting-pte-specific-flags-to-pfn_pte-fix.patch mm-gup-dont-permit-users-to-call-get_user_pages-with-foll_longterm-fix.patch mm-page_allocc-clean-code-by-removing-unnecessary-initialization-fix.patch memblock-make-memblock_debug-and-related-functionality-private-fix.patch arch-drivers-replace-for_each_membock-with-for_each_mem_range-fix.patch xarray-add-xa_get_order-fix.patch xarray-add-xas_split-fix.patch mmhwpoison-refactor-soft_offline_huge_page-and-__soft_offline_page-fix.patch mmhwpoison-drop-unneeded-pcplist-draining-fix.patch mm-vmstat-fix-proc-sys-vm-stat_refresh-generating-false-warnings-fix-2.patch mm-memory_hotplug-simplify-page-offlining-fix.patch fs-binfmt_elf-use-pt_load-p_align-values-for-suitable-start-address-fix.patch linux-next-rejects.patch linux-next-git-rejects.patch arch-x86-makefile-use-config_shell.patch kernel-forkc-export-kernel_thread-to-modules.patch