MIPS: mm: Use the bitmap API to allocate bitmaps

Use bitmap_zalloc() instead of hand-writing them.

It is less verbose and it improves the semantic.

While at it, turn a bitmap_clear() into an equivalent bitmap_zero(). It is
also less verbose.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

diff --git a/arch/mips/mm/context.c b/arch/mips/mm/context.c
index b255640..966f400 100644 (file)
--- a/arch/mips/mm/context.c
+++ b/arch/mips/mm/context.c
@@ -67,7 +67,7 @@ static void flush_context(void)
        int cpu;
 
        /* Update the list of reserved MMIDs and the MMID bitmap */
-       bitmap_clear(mmid_map, 0, num_mmids);
+       bitmap_zero(mmid_map, num_mmids);
 
        /* Reserve an MMID for kmap/wired entries */
        __set_bit(MMID_KERNEL_WIRED, mmid_map);
@@ -277,8 +277,7 @@ static int mmid_init(void)
        WARN_ON(num_mmids <= num_possible_cpus());
 
        atomic64_set(&mmid_version, asid_first_version(0));
-       mmid_map = kcalloc(BITS_TO_LONGS(num_mmids), sizeof(*mmid_map),
-                          GFP_KERNEL);
+       mmid_map = bitmap_zalloc(num_mmids, GFP_KERNEL);
        if (!mmid_map)
                panic("Failed to allocate bitmap for %u MMIDs\n", num_mmids);