diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/linux/bitmap.h | 18 | ||||
-rw-r--r-- | include/linux/cpumask.h | 20 |
2 files changed, 18 insertions, 20 deletions
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 2878811c6134..756d78b8c1c5 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h | |||
@@ -94,13 +94,13 @@ extern void __bitmap_shift_right(unsigned long *dst, | |||
94 | const unsigned long *src, int shift, int bits); | 94 | const unsigned long *src, int shift, int bits); |
95 | extern void __bitmap_shift_left(unsigned long *dst, | 95 | extern void __bitmap_shift_left(unsigned long *dst, |
96 | const unsigned long *src, int shift, int bits); | 96 | const unsigned long *src, int shift, int bits); |
97 | extern void __bitmap_and(unsigned long *dst, const unsigned long *bitmap1, | 97 | extern int __bitmap_and(unsigned long *dst, const unsigned long *bitmap1, |
98 | const unsigned long *bitmap2, int bits); | 98 | const unsigned long *bitmap2, int bits); |
99 | extern void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1, | 99 | extern void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1, |
100 | const unsigned long *bitmap2, int bits); | 100 | const unsigned long *bitmap2, int bits); |
101 | extern void __bitmap_xor(unsigned long *dst, const unsigned long *bitmap1, | 101 | extern void __bitmap_xor(unsigned long *dst, const unsigned long *bitmap1, |
102 | const unsigned long *bitmap2, int bits); | 102 | const unsigned long *bitmap2, int bits); |
103 | extern void __bitmap_andnot(unsigned long *dst, const unsigned long *bitmap1, | 103 | extern int __bitmap_andnot(unsigned long *dst, const unsigned long *bitmap1, |
104 | const unsigned long *bitmap2, int bits); | 104 | const unsigned long *bitmap2, int bits); |
105 | extern int __bitmap_intersects(const unsigned long *bitmap1, | 105 | extern int __bitmap_intersects(const unsigned long *bitmap1, |
106 | const unsigned long *bitmap2, int bits); | 106 | const unsigned long *bitmap2, int bits); |
@@ -171,13 +171,12 @@ static inline void bitmap_copy(unsigned long *dst, const unsigned long *src, | |||
171 | } | 171 | } |
172 | } | 172 | } |
173 | 173 | ||
174 | static inline void bitmap_and(unsigned long *dst, const unsigned long *src1, | 174 | static inline int bitmap_and(unsigned long *dst, const unsigned long *src1, |
175 | const unsigned long *src2, int nbits) | 175 | const unsigned long *src2, int nbits) |
176 | { | 176 | { |
177 | if (small_const_nbits(nbits)) | 177 | if (small_const_nbits(nbits)) |
178 | *dst = *src1 & *src2; | 178 | return (*dst = *src1 & *src2) != 0; |
179 | else | 179 | return __bitmap_and(dst, src1, src2, nbits); |
180 | __bitmap_and(dst, src1, src2, nbits); | ||
181 | } | 180 | } |
182 | 181 | ||
183 | static inline void bitmap_or(unsigned long *dst, const unsigned long *src1, | 182 | static inline void bitmap_or(unsigned long *dst, const unsigned long *src1, |
@@ -198,13 +197,12 @@ static inline void bitmap_xor(unsigned long *dst, const unsigned long *src1, | |||
198 | __bitmap_xor(dst, src1, src2, nbits); | 197 | __bitmap_xor(dst, src1, src2, nbits); |
199 | } | 198 | } |
200 | 199 | ||
201 | static inline void bitmap_andnot(unsigned long *dst, const unsigned long *src1, | 200 | static inline int bitmap_andnot(unsigned long *dst, const unsigned long *src1, |
202 | const unsigned long *src2, int nbits) | 201 | const unsigned long *src2, int nbits) |
203 | { | 202 | { |
204 | if (small_const_nbits(nbits)) | 203 | if (small_const_nbits(nbits)) |
205 | *dst = *src1 & ~(*src2); | 204 | return (*dst = *src1 & ~(*src2)) != 0; |
206 | else | 205 | return __bitmap_andnot(dst, src1, src2, nbits); |
207 | __bitmap_andnot(dst, src1, src2, nbits); | ||
208 | } | 206 | } |
209 | 207 | ||
210 | static inline void bitmap_complement(unsigned long *dst, const unsigned long *src, | 208 | static inline void bitmap_complement(unsigned long *dst, const unsigned long *src, |
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index c5ac87ca7bc6..796df12091b7 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h | |||
@@ -43,10 +43,10 @@ | |||
43 | * int cpu_isset(cpu, mask) true iff bit 'cpu' set in mask | 43 | * int cpu_isset(cpu, mask) true iff bit 'cpu' set in mask |
44 | * int cpu_test_and_set(cpu, mask) test and set bit 'cpu' in mask | 44 | * int cpu_test_and_set(cpu, mask) test and set bit 'cpu' in mask |
45 | * | 45 | * |
46 | * void cpus_and(dst, src1, src2) dst = src1 & src2 [intersection] | 46 | * int cpus_and(dst, src1, src2) dst = src1 & src2 [intersection] |
47 | * void cpus_or(dst, src1, src2) dst = src1 | src2 [union] | 47 | * void cpus_or(dst, src1, src2) dst = src1 | src2 [union] |
48 | * void cpus_xor(dst, src1, src2) dst = src1 ^ src2 | 48 | * void cpus_xor(dst, src1, src2) dst = src1 ^ src2 |
49 | * void cpus_andnot(dst, src1, src2) dst = src1 & ~src2 | 49 | * int cpus_andnot(dst, src1, src2) dst = src1 & ~src2 |
50 | * void cpus_complement(dst, src) dst = ~src | 50 | * void cpus_complement(dst, src) dst = ~src |
51 | * | 51 | * |
52 | * int cpus_equal(mask1, mask2) Does mask1 == mask2? | 52 | * int cpus_equal(mask1, mask2) Does mask1 == mask2? |
@@ -179,10 +179,10 @@ static inline int __cpu_test_and_set(int cpu, cpumask_t *addr) | |||
179 | } | 179 | } |
180 | 180 | ||
181 | #define cpus_and(dst, src1, src2) __cpus_and(&(dst), &(src1), &(src2), NR_CPUS) | 181 | #define cpus_and(dst, src1, src2) __cpus_and(&(dst), &(src1), &(src2), NR_CPUS) |
182 | static inline void __cpus_and(cpumask_t *dstp, const cpumask_t *src1p, | 182 | static inline int __cpus_and(cpumask_t *dstp, const cpumask_t *src1p, |
183 | const cpumask_t *src2p, int nbits) | 183 | const cpumask_t *src2p, int nbits) |
184 | { | 184 | { |
185 | bitmap_and(dstp->bits, src1p->bits, src2p->bits, nbits); | 185 | return bitmap_and(dstp->bits, src1p->bits, src2p->bits, nbits); |
186 | } | 186 | } |
187 | 187 | ||
188 | #define cpus_or(dst, src1, src2) __cpus_or(&(dst), &(src1), &(src2), NR_CPUS) | 188 | #define cpus_or(dst, src1, src2) __cpus_or(&(dst), &(src1), &(src2), NR_CPUS) |
@@ -201,10 +201,10 @@ static inline void __cpus_xor(cpumask_t *dstp, const cpumask_t *src1p, | |||
201 | 201 | ||
202 | #define cpus_andnot(dst, src1, src2) \ | 202 | #define cpus_andnot(dst, src1, src2) \ |
203 | __cpus_andnot(&(dst), &(src1), &(src2), NR_CPUS) | 203 | __cpus_andnot(&(dst), &(src1), &(src2), NR_CPUS) |
204 | static inline void __cpus_andnot(cpumask_t *dstp, const cpumask_t *src1p, | 204 | static inline int __cpus_andnot(cpumask_t *dstp, const cpumask_t *src1p, |
205 | const cpumask_t *src2p, int nbits) | 205 | const cpumask_t *src2p, int nbits) |
206 | { | 206 | { |
207 | bitmap_andnot(dstp->bits, src1p->bits, src2p->bits, nbits); | 207 | return bitmap_andnot(dstp->bits, src1p->bits, src2p->bits, nbits); |
208 | } | 208 | } |
209 | 209 | ||
210 | #define cpus_complement(dst, src) __cpus_complement(&(dst), &(src), NR_CPUS) | 210 | #define cpus_complement(dst, src) __cpus_complement(&(dst), &(src), NR_CPUS) |
@@ -738,11 +738,11 @@ static inline void cpumask_clear(struct cpumask *dstp) | |||
738 | * @src1p: the first input | 738 | * @src1p: the first input |
739 | * @src2p: the second input | 739 | * @src2p: the second input |
740 | */ | 740 | */ |
741 | static inline void cpumask_and(struct cpumask *dstp, | 741 | static inline int cpumask_and(struct cpumask *dstp, |
742 | const struct cpumask *src1p, | 742 | const struct cpumask *src1p, |
743 | const struct cpumask *src2p) | 743 | const struct cpumask *src2p) |
744 | { | 744 | { |
745 | bitmap_and(cpumask_bits(dstp), cpumask_bits(src1p), | 745 | return bitmap_and(cpumask_bits(dstp), cpumask_bits(src1p), |
746 | cpumask_bits(src2p), nr_cpumask_bits); | 746 | cpumask_bits(src2p), nr_cpumask_bits); |
747 | } | 747 | } |
748 | 748 | ||
@@ -779,11 +779,11 @@ static inline void cpumask_xor(struct cpumask *dstp, | |||
779 | * @src1p: the first input | 779 | * @src1p: the first input |
780 | * @src2p: the second input | 780 | * @src2p: the second input |
781 | */ | 781 | */ |
782 | static inline void cpumask_andnot(struct cpumask *dstp, | 782 | static inline int cpumask_andnot(struct cpumask *dstp, |
783 | const struct cpumask *src1p, | 783 | const struct cpumask *src1p, |
784 | const struct cpumask *src2p) | 784 | const struct cpumask *src2p) |
785 | { | 785 | { |
786 | bitmap_andnot(cpumask_bits(dstp), cpumask_bits(src1p), | 786 | return bitmap_andnot(cpumask_bits(dstp), cpumask_bits(src1p), |
787 | cpumask_bits(src2p), nr_cpumask_bits); | 787 | cpumask_bits(src2p), nr_cpumask_bits); |
788 | } | 788 | } |
789 | 789 | ||