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Commit 8c1840f1 authored by Akinobu Mita's avatar Akinobu Mita Committed by Linus Torvalds
Browse files

sgi-gru: use for_each_set_bit() 



Replace open-coded loop with for_each_set_bit().

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Cc: Jack Steiner <steiner@sgi.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 0fbcae22

drivers/misc/sgi-gru/grutables.h

+4 −11
Original line number Diff line number Diff line
@@ -516,8 +516,7 @@ struct gru_blade_state { 


/* Scan all active GRUs in a GRU bitmap */

#define for_each_gru_in_bitmap(gid, map)				\

	for ((gid) = find_first_bit((map), GRU_MAX_GRUS); (gid) < GRU_MAX_GRUS;\

		(gid)++, (gid) = find_next_bit((map), GRU_MAX_GRUS, (gid)))

	for_each_set_bit((gid), (map), GRU_MAX_GRUS)



/* Scan all active GRUs on a specific blade */

#define for_each_gru_on_blade(gru, nid, i)				\
@@ -536,23 +535,17 @@ struct gru_blade_state { 


/* Scan each CBR whose bit is set in a TFM (or copy of) */

#define for_each_cbr_in_tfm(i, map)					\

	for ((i) = find_first_bit(map, GRU_NUM_CBE);			\

			(i) < GRU_NUM_CBE;				\

			(i)++, (i) = find_next_bit(map, GRU_NUM_CBE, i))

	for_each_set_bit((i), (map), GRU_NUM_CBE)



/* Scan each CBR in a CBR bitmap. Note: multiple CBRs in an allocation unit */

#define for_each_cbr_in_allocation_map(i, map, k)			\

	for ((k) = find_first_bit(map, GRU_CBR_AU); (k) < GRU_CBR_AU;	\

			(k) = find_next_bit(map, GRU_CBR_AU, (k) + 1)) 	\

	for_each_set_bit((k), (map), GRU_CBR_AU)			\

		for ((i) = (k)*GRU_CBR_AU_SIZE;				\

				(i) < ((k) + 1) * GRU_CBR_AU_SIZE; (i)++)



/* Scan each DSR in a DSR bitmap. Note: multiple DSRs in an allocation unit */

#define for_each_dsr_in_allocation_map(i, map, k)			\

	for ((k) = find_first_bit((const unsigned long *)map, GRU_DSR_AU);\

			(k) < GRU_DSR_AU;				\

			(k) = find_next_bit((const unsigned long *)map,	\

					  GRU_DSR_AU, (k) + 1))		\

	for_each_set_bit((k), (const unsigned long *)(map), GRU_DSR_AU)	\

		for ((i) = (k) * GRU_DSR_AU_CL;				\

				(i) < ((k) + 1) * GRU_DSR_AU_CL; (i)++)