Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Oleksandr Natalenko <oleksandr@natalenko.name>
To:     linux-kernel@vger.kernel.org
Cc:     linux-mm@kvack.org, Andrew Morton <akpm@linux-foundation.org>,
        Vlastimil Babka <vbabka@suse.cz>,
        Matthew Wilcox <willy@infradead.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Miaohe Lin <linmiaohe@huawei.com>,
        Michal Hocko <mhocko@kernel.org>,
        Mel Gorman <mgorman@techsingularity.net>,
        Stephen Rothwell <sfr@canb.auug.org.au>,
        David Laight <David.Laight@ACULAB.COM>
Subject: [RFC v2 PATCH 1/3] mm: add PG2KB/KB2PG helper macros
Date:   Sun, 19 Sep 2021 15:12:46 +0200
Message-Id: <20210919131248.489798-2-oleksandr@natalenko.name>
In-Reply-To: <20210919131248.489798-1-oleksandr@natalenko.name>
References: <20210919131248.489798-1-oleksandr@natalenko.name>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Signed-off-by: Oleksandr Natalenko <oleksandr@natalenko.name>
---
 include/linux/mm.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index 00bb2d938df4..0a7e950ac8aa 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -98,6 +98,9 @@ extern int mmap_rnd_compat_bits __read_mostly;
 #include <asm/page.h>
 #include <asm/processor.h>
 
+#define PG2KB(x)	((x) << (PAGE_SHIFT - 10))
+#define KB2PG(x)	((x) >> (PAGE_SHIFT - 10))
+
 /*
  * Architectures that support memory tagging (assigning tags to memory regions,
  * embedding these tags into addresses that point to these memory regions, and
-- 
2.33.0