page-types: constify read only arrays

Signed-off-by: Tommi Rantala <tt.rantala@gmail.com>
Cc: Randy Dunlap <rdunlap@xenotime.net>
Cc: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/Documentation/vm/page-types.c b/Documentation/vm/page-types.c
index ea44ea5..59a4614 100644 (file)
--- a/Documentation/vm/page-types.c
+++ b/Documentation/vm/page-types.c
@@ -100,7 +100,7 @@
 #define BIT(name)              (1ULL << KPF_##name)
 #define BITS_COMPOUND          (BIT(COMPOUND_HEAD) | BIT(COMPOUND_TAIL))
 
-static char *page_flag_names[] = {
+static const char *page_flag_names[] = {
        [KPF_LOCKED]            = "L:locked",
        [KPF_ERROR]             = "E:error",
        [KPF_REFERENCED]        = "R:referenced",
@@ -173,7 +173,7 @@ static int          kpageflags_fd;
 static int             opt_hwpoison;
 static int             opt_unpoison;
 
-static char            *hwpoison_debug_fs = "/debug/hwpoison";
+static const char      hwpoison_debug_fs[] = "/debug/hwpoison";
 static int             hwpoison_inject_fd;
 static int             hwpoison_forget_fd;
 
@@ -885,7 +885,7 @@ static void parse_bits_mask(const char *optarg)
 }
 
 
-static struct option opts[] = {
+static const struct option opts[] = {
        { "raw"       , 0, NULL, 'r' },
        { "pid"       , 1, NULL, 'p' },
        { "file"      , 1, NULL, 'f' },