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[46.53.201.92]) by smtp.gmail.com with ESMTPSA id q189sm11872313wme.5.2018.11.24.01.03.28 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 24 Nov 2018 01:03:29 -0800 (PST) Date: Sat, 24 Nov 2018 12:03:27 +0300 From: Alexey Dobriyan To: akpm@linux-foundation.org Cc: linux-mm@kvack.org Subject: [PATCH] mm: make "migratetype_names" const char * Message-ID: <20181124090327.GA10877@avx2> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) 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: X-Virus-Scanned: ClamAV using ClamSMTP Those strings are immutable in fact. Signed-off-by: Alexey Dobriyan --- include/linux/mmzone.h | 2 +- mm/page_alloc.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -65,7 +65,7 @@ enum migratetype { }; /* In mm/page_alloc.c; keep in sync also with show_migration_types() there */ -extern char * const migratetype_names[MIGRATE_TYPES]; +extern const char * const migratetype_names[MIGRATE_TYPES]; #ifdef CONFIG_CMA # define is_migrate_cma(migratetype) unlikely((migratetype) == MIGRATE_CMA) --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -237,7 +237,7 @@ static char * const zone_names[MAX_NR_ZONES] = { #endif }; -char * const migratetype_names[MIGRATE_TYPES] = { +const char * const migratetype_names[MIGRATE_TYPES] = { "Unmovable", "Movable", "Reclaimable",