The patch titled Subject: mm-add-per-order-mthp-split-counters-fix has been added to the -mm mm-unstable branch. Its filename is mm-add-per-order-mthp-split-counters-fix.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-add-per-order-mthp-split-counters-fix.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: Lance Yang <ioworker0@xxxxxxxxx> Subject: mm-add-per-order-mthp-split-counters-fix Date: Fri, 5 Jul 2024 19:31:19 +0800 use == for `order' test, per David Link: https://lkml.kernel.org/r/20240705113119.82210-1-ioworker0@xxxxxxxxx Signed-off-by: Lance Yang <ioworker0@xxxxxxxxx> Cc: Bang Li <libang.li@xxxxxxxxxxxx> Cc: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx> Cc: David Hildenbrand <david@xxxxxxxxxx> Cc: Mingzhe Yang <mingzhe.yang@xxxxxx> Cc: Ryan Roberts <ryan.roberts@xxxxxxx> Cc: Yang Shi <shy828301@xxxxxxxxx> Cc: Zi Yan <ziy@xxxxxxxxxx> Cc: Barry Song <baohua@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/huge_memory.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/huge_memory.c~mm-add-per-order-mthp-split-counters-fix +++ a/mm/huge_memory.c @@ -3259,7 +3259,7 @@ out_unlock: i_mmap_unlock_read(mapping); out: xas_destroy(&xas); - if (order >= HPAGE_PMD_ORDER) + if (order == HPAGE_PMD_ORDER) count_vm_event(!ret ? THP_SPLIT_PAGE : THP_SPLIT_PAGE_FAILED); count_mthp_stat(order, !ret ? MTHP_STAT_SPLIT : MTHP_STAT_SPLIT_FAILED); return ret; _ Patches currently in -mm which might be from ioworker0@xxxxxxxxx are mm-add-per-order-mthp-split-counters.patch mm-add-per-order-mthp-split-counters-v3.patch mm-add-per-order-mthp-split-counters-fix.patch mm-add-docs-for-per-order-mthp-split-counters.patch mm-add-docs-for-per-order-mthp-split-counters-v3.patch