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mm: add pageblock_align() macro

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Add pageblock_align() macro and use it to simplify code.

Link: https://lkml.kernel.org/r/20220907060844.126891-2-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>
This commit is contained in:
Kefeng Wang
2022-09-07 14:08:43 +08:00
committed by Andrew Morton
parent 4f9bc69ac5
commit 5f7fa13fa8
3 changed files with 5 additions and 4 deletions
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include/linux/pageblock-flags.h
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@@ -53,6 +53,7 @@ extern unsigned int pageblock_order;
#endif /* CONFIG_HUGETLB_PAGE */
#define pageblock_nr_pages (1UL << pageblock_order)
#define pageblock_align(pfn) ALIGN((pfn), pageblock_nr_pages)
#define pageblock_start_pfn(pfn) ALIGN_DOWN((pfn), pageblock_nr_pages)
#define pageblock_end_pfn(pfn) ALIGN((pfn) + 1, pageblock_nr_pages)