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Subject[PATCH] MIPS: mm: Use the bitmap API to allocate bitmaps
Date
Use bitmap_zalloc()/bitmap_free() 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>
---
arch/mips/mm/context.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/arch/mips/mm/context.c b/arch/mips/mm/context.c
index b25564090939..966f40066f03 100644
--- 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);

--
2.34.1
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