| From: Kefeng Wang <wangkefeng.wang@huawei.com> |
| Subject: memblock tests: add new pageblock related macro |
| Date: Wed, 7 Sep 2022 16:26:43 +0800 |
| |
| Add new pageblock_start_pfn() and pageblock_align() macro which are needed |
| by memblock tests. |
| |
| Link: https://lkml.kernel.org/r/20220907082643.186979-1-wangkefeng.wang@huawei.com |
| Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> |
| Cc: David Hildenbrand <david@redhat.com> |
| Cc: Mike Rapoport <rppt@linux.ibm.com> |
| Cc: Oscar Salvador <osalvador@suse.de> |
| Cc: Vlastimil Babka <vbabka@suse.cz> |
| Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
| --- |
| |
| tools/testing/memblock/linux/mmzone.h | 2 ++ |
| 1 file changed, 2 insertions(+) |
| |
| --- a/tools/testing/memblock/linux/mmzone.h~memblock-tests-add-new-pageblock-related-macro |
| +++ a/tools/testing/memblock/linux/mmzone.h |
| @@ -22,6 +22,8 @@ enum zone_type { |
| |
| #define pageblock_order (MAX_ORDER - 1) |
| #define pageblock_nr_pages BIT(pageblock_order) |
| +#define pageblock_align(pfn) ALIGN((pfn), pageblock_nr_pages) |
| +#define pageblock_start_pfn(pfn) ALIGN_DOWN((pfn), pageblock_nr_pages) |
| |
| struct zone { |
| atomic_long_t managed_pages; |
| _ |
