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MIPS: mm: Use the bitmap API to allocate bitmaps

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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>
This commit is contained in:
Christophe JAILLET 2022-07-05 22:56:51 +02:00 committed by Thomas Bogendoerfer
parent 8512670d35
commit b5eb8b536f
1 changed files with 2 additions and 3 deletions
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5
arch/mips/mm/context.c
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@ -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);