The patch titled Subject: mm/mm_init.c: move set_pageblock_order() to free_area_init() has been added to the -mm mm-unstable branch. Its filename is mm-mm_initc-move-set_pageblock_order-to-free_area_init.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-mm_initc-move-set_pageblock_order-to-free_area_init.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: Haifeng Xu <haifeng.xu@xxxxxxxxxx> Subject: mm/mm_init.c: move set_pageblock_order() to free_area_init() Date: Thu, 1 Jun 2023 06:35:35 +0000 pageblock_order only needs to be set once, there is no need to initialize it in every zone/node. Link: https://lkml.kernel.org/r/20230601063536.26882-1-haifeng.xu@xxxxxxxxxx Signed-off-by: Haifeng Xu <haifeng.xu@xxxxxxxxxx> Reviewed-by: Mike Rapoport (IBM) <rppt@xxxxxxxxxx> Cc: Michal Hocko <mhocko@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/mm_init.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/mm/mm_init.c~mm-mm_initc-move-set_pageblock_order-to-free_area_init +++ a/mm/mm_init.c @@ -1585,7 +1585,6 @@ static void __init free_area_init_core(s if (!size) continue; - set_pageblock_order(); setup_usemap(zone); init_currently_empty_zone(zone, zone->zone_start_pfn, size); } @@ -1852,6 +1851,8 @@ void __init free_area_init(unsigned long /* Initialise every node */ mminit_verify_pageflags_layout(); setup_nr_node_ids(); + set_pageblock_order(); + for_each_node(nid) { pg_data_t *pgdat; _ Patches currently in -mm which might be from haifeng.xu@xxxxxxxxxx are memcg-oom-remove-unnecessary-check-in-mem_cgroup_oom_synchronize.patch memcg-oom-remove-explicit-wakeup-in-mem_cgroup_oom_synchronize.patch mm-oom-do-not-check-0-mask-in-out_of_memory.patch mm-memcontrol-fix-typo-in-comment.patch selftests-cgroup-fix-unexpected-failure-on-test_memcg_low.patch mm-mm_initc-introduce-reset_memoryless_node_totalpages.patch mm-mm_initc-do-not-calculate-zone_start_pfn-zone_end_pfn-in-zone_absent_pages_in_node.patch mm-mm_initc-remove-free_area_init_memoryless_node.patch mm-mm_initc-move-set_pageblock_order-to-free_area_init.patch fork-optimize-memcg_charge_kernel_stack-a-bit.patch