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dkim=pass header.d=nxp.com header.s=selector2 header.b=GVKyq5tQ; dmarc=pass (policy=none) header.from=nxp.com; spf=pass (imf15.hostedemail.com: domain of aisheng.dong@nxp.com designates 40.107.22.43 as permitted sender) smtp.mailfrom=aisheng.dong@nxp.com X-Rspamd-Server: rspam03 X-Stat-Signature: 4gywxomxg4p9gzracw1wn3fj3e194oq9 X-HE-Tag: 1622452807-137436 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Actually SECTIONS_SHIFT is used in the kernel code, so the code comments is strictly incorrect. And since commit bbeae5b05ef6 ("mm: move page flags layout to separate header"), SECTIONS_SHIFT definition has been moved to include/linux/page-flags-layo= ut.h, since code itself looks quite straighforward, instead of moving the code comment into the new place as well, we just simply remove it. This also fixed a checkpatch complain derived from the original code: WARNING: please, no space before tabs + * SECTIONS_SHIFT ^I^I#bits space required to store a section #$ Cc: Andrew Morton Cc: Yu Zhao Cc: Andrey Konovalov Cc: Catalin Marinas Cc: Kees Cook Suggested-by: Yu Zhao Signed-off-by: Dong Aisheng --- Changelog: v1->v2: * drop the SECTION_SHIFT code comments instead of moving it --- include/linux/mmzone.h | 2 -- 1 file changed, 2 deletions(-) diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 05cbcddbf432..a6bfde85ddb0 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -1203,8 +1203,6 @@ static inline struct zoneref *first_zones_zonelist(= struct zonelist *zonelist, #ifdef CONFIG_SPARSEMEM =20 /* - * SECTION_SHIFT #bits space required to store a section # - * * PA_SECTION_SHIFT physical address to/from section number * PFN_SECTION_SHIFT pfn to/from section number */ --=20 2.25.1