Commit b5eb8b53 authored by Christophe JAILLET's avatar Christophe JAILLET Committed by Thomas Bogendoerfer
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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: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
parent 8512670d

arch/mips/mm/context.c

+2 −3
Original line number Diff line number Diff line
@@ -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);