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Commit 2ac521d3 authored by Rasmus Villemoes's avatar Rasmus Villemoes Committed by Linus Torvalds
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lib: bitmap: micro-optimize bitmap_allocate_region 



__reg_op(..., REG_OP_ALLOC) always returns 0, so we might as well use that
and save an instruction.

Signed-off-by: default avatarRasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 9279d328

lib/bitmap.c

+1 −2
Original line number Diff line number Diff line
@@ -1154,8 +1154,7 @@ int bitmap_allocate_region(unsigned long *bitmap, unsigned int pos, int order) 
{

	if (!__reg_op(bitmap, pos, order, REG_OP_ISFREE))

		return -EBUSY;

	__reg_op(bitmap, pos, order, REG_OP_ALLOC);

	return 0;

	return __reg_op(bitmap, pos, order, REG_OP_ALLOC);

}

EXPORT_SYMBOL(bitmap_allocate_region);