lib/string_helpers.c: make arrays static
Andrew Morton [Tue, 29 May 2012 22:07:32 +0000 (15:07 -0700)]
Moving these arrays into static storage shrinks the kernel a bit:

   text    data     bss     dec     hex filename
    723     112      64     899     383 lib/string_helpers.o
    516     272      64     852     354 lib/string_helpers.o

Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

lib/string_helpers.c

index dd4ece3..1cffc22 100644 (file)
 int string_get_size(u64 size, const enum string_size_units units,
                    char *buf, int len)
 {
-       const char *units_10[] = { "B", "kB", "MB", "GB", "TB", "PB",
+       static const char *units_10[] = { "B", "kB", "MB", "GB", "TB", "PB",
                                   "EB", "ZB", "YB", NULL};
-       const char *units_2[] = {"B", "KiB", "MiB", "GiB", "TiB", "PiB",
+       static const char *units_2[] = {"B", "KiB", "MiB", "GiB", "TiB", "PiB",
                                 "EiB", "ZiB", "YiB", NULL };
-       const char **units_str[] = {
+       static const char **units_str[] = {
                [STRING_UNITS_10] =  units_10,
                [STRING_UNITS_2] = units_2,
        };
-       const unsigned int divisor[] = {
+       static const unsigned int divisor[] = {
                [STRING_UNITS_10] = 1000,
                [STRING_UNITS_2] = 1024,
        };