Commit fc5dfebc authored Sep 07, 2022 by Kefeng Wang Committed by Andrew Morton Oct 03, 2022

memblock tests: add new pageblock related macro

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>

parent ee0913c4

tools/testing/memblock/linux/mmzone.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -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;