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-rw-r--r--include/linux/math64.h30
-rw-r--r--include/linux/sched.h5
2 files changed, 32 insertions, 3 deletions
diff --git a/include/linux/math64.h b/include/linux/math64.h
index 69ed5f5e9f6e..c45c089bfdac 100644
--- a/include/linux/math64.h
+++ b/include/linux/math64.h
@@ -133,4 +133,34 @@ __iter_div_u64_rem(u64 dividend, u32 divisor, u64 *remainder)
133 return ret; 133 return ret;
134} 134}
135 135
136#if defined(CONFIG_ARCH_SUPPORTS_INT128) && defined(__SIZEOF_INT128__)
137
138#ifndef mul_u64_u32_shr
139static inline u64 mul_u64_u32_shr(u64 a, u32 mul, unsigned int shift)
140{
141 return (u64)(((unsigned __int128)a * mul) >> shift);
142}
143#endif /* mul_u64_u32_shr */
144
145#else
146
147#ifndef mul_u64_u32_shr
148static inline u64 mul_u64_u32_shr(u64 a, u32 mul, unsigned int shift)
149{
150 u32 ah, al;
151 u64 ret;
152
153 al = a;
154 ah = a >> 32;
155
156 ret = ((u64)al * mul) >> shift;
157 if (ah)
158 ret += ((u64)ah * mul) << (32 - shift);
159
160 return ret;
161}
162#endif /* mul_u64_u32_shr */
163
164#endif
165
136#endif /* _LINUX_MATH64_H */ 166#endif /* _LINUX_MATH64_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 768b037dfacb..53f97eb8dbc7 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -440,8 +440,6 @@ struct task_cputime {
440 .sum_exec_runtime = 0, \ 440 .sum_exec_runtime = 0, \
441 } 441 }
442 442
443#define PREEMPT_ENABLED (PREEMPT_NEED_RESCHED)
444
445#ifdef CONFIG_PREEMPT_COUNT 443#ifdef CONFIG_PREEMPT_COUNT
446#define PREEMPT_DISABLED (1 + PREEMPT_ENABLED) 444#define PREEMPT_DISABLED (1 + PREEMPT_ENABLED)
447#else 445#else
@@ -932,7 +930,8 @@ struct pipe_inode_info;
932struct uts_namespace; 930struct uts_namespace;
933 931
934struct load_weight { 932struct load_weight {
935 unsigned long weight, inv_weight; 933 unsigned long weight;
934 u32 inv_weight;
936}; 935};
937 936
938struct sched_avg { 937struct sched_avg {