Commit b085f969 authored by Yury Norov's avatar Yury Norov
Browse files

bitmap: fix opencoded bitmap_allocate_region() 



bitmap_find_region() opencodes bitmap_allocate_region().

CC: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
CC: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: default avatarYury Norov <yury.norov@gmail.com>
parent 6d5d3a0c

lib/bitmap.c

+2 −4
Original line number Diff line number Diff line
@@ -803,9 +803,7 @@ int bitmap_find_free_region(unsigned long *bitmap, unsigned int bits, int order) 
	unsigned int pos, end;		/* scans bitmap by regions of size order */



	for (pos = 0; (end = pos + BIT(order)) <= bits; pos = end) {

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

			continue;

		__reg_op(bitmap, pos, order, REG_OP_ALLOC);

		if (!bitmap_allocate_region(bitmap, pos, order))

			return pos;

	}

	return -ENOMEM;