| From: Lance Yang <ioworker0@gmail.com> |
| 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@gmail.com |
| Signed-off-by: Lance Yang <ioworker0@gmail.com> |
| Cc: Bang Li <libang.li@antgroup.com> |
| Cc: Baolin Wang <baolin.wang@linux.alibaba.com> |
| Cc: David Hildenbrand <david@redhat.com> |
| Cc: Mingzhe Yang <mingzhe.yang@ly.com> |
| Cc: Ryan Roberts <ryan.roberts@arm.com> |
| Cc: Yang Shi <shy828301@gmail.com> |
| Cc: Zi Yan <ziy@nvidia.com> |
| Cc: Barry Song <baohua@kernel.org> |
| Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
| --- |
| |
| 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 |
| @@ -3260,7 +3260,7 @@ 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; |
| _ |
