diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2022-09-07 14:08:42 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2022-10-03 14:03:03 -0700 |
| commit | 4f9bc69ac5ce34071a9a51343bc81ca76cb2e3f1 (patch) | |
| tree | 09f1faa2d36644a3800fed59651a11ea1089e65e /include/linux | |
| parent | 0bba9af03d55d2cc1aa7616a8b9e522ceb49d180 (diff) | |
mm: reuse pageblock_start/end_pfn() macro
Move pageblock_start_pfn/pageblock_end_pfn() into pageblock-flags.h, then
they could be used somewhere else, not only in compaction, also use
ALIGN_DOWN() instead of round_down() to be pair with ALIGN(), which should
be same for pageblock usage.
Link: https://lkml.kernel.org/r/20220907060844.126891-1-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/pageblock-flags.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/pageblock-flags.h b/include/linux/pageblock-flags.h index 83c7248053a1..a09b7fe6bbf8 100644 --- a/include/linux/pageblock-flags.h +++ b/include/linux/pageblock-flags.h @@ -53,6 +53,8 @@ extern unsigned int pageblock_order; #endif /* CONFIG_HUGETLB_PAGE */ #define pageblock_nr_pages (1UL << pageblock_order) +#define pageblock_start_pfn(pfn) ALIGN_DOWN((pfn), pageblock_nr_pages) +#define pageblock_end_pfn(pfn) ALIGN((pfn) + 1, pageblock_nr_pages) /* Forward declaration */ struct page; |