From: Kefeng Wang <wangkefeng.wang@huawei.com>
To: Andrew Morton <akpm@linux-foundation.org>, <linux-mm@kvack.org>
Cc: Mike Rapoport <rppt@kernel.org>,
David Hildenbrand <david@redhat.com>,
Oscar Salvador <osalvador@suse.de>,
<linux-kernel@vger.kernel.org>,
"Vlastimil Babka" <vbabka@suse.cz>,
Kefeng Wang <wangkefeng.wang@huawei.com>
Subject: [PATCH v2 4/3] memblock tests: add new pageblock related macro
Date: Wed, 7 Sep 2022 16:26:43 +0800 [thread overview]
Message-ID: <20220907082643.186979-1-wangkefeng.wang@huawei.com> (raw)
Add new pageblock_start_pfn() and pageblock_align() macro
which are needed by memblock tests.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
tools/testing/memblock/linux/mmzone.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/testing/memblock/linux/mmzone.h b/tools/testing/memblock/linux/mmzone.h
index 7c2eb5c9bb54..e65f89b12f1c 100644
--- a/tools/testing/memblock/linux/mmzone.h
+++ b/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;
--
2.35.3
next reply other threads:[~2022-09-07 8:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-07 8:26 Kefeng Wang [this message]
2022-09-08 4:16 ` Mike Rapoport
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