#ifndef __LINUX_CACHE_H #define __LINUX_CACHE_H #include <uapi/linux/kernel.h> #include <asm/cache.h> #ifndef L1_CACHE_ALIGN #define L1_CACHE_ALIGN(x) __ALIGN_KERNEL(x, L1_CACHE_BYTES) #endif #ifndef SMP_CACHE_BYTES #define SMP_CACHE_BYTES L1_CACHE_BYTES #endif /* * __read_mostly is used to keep rarely changing variables out of frequently * updated cachelines. If an architecture doesn't support it, ignore the * hint. */ #ifndef __read_mostly #define __read_mostly #endif /* * __ro_after_init is used to mark things that are read-only after init (i.e. * after mark_rodata_ro() has been called). These are effectively read-only, * but may get written to during init, so can't live in .rodata (via "const"). */ #ifndef __ro_after_init #define __ro_after_init __attribute__((__section__(".data..ro_after_init"))) #endif #ifndef ____cacheline_aligned #define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES))) #endif #ifndef ____cacheline_aligned_in_smp #ifdef CONFIG_SMP #define ____cacheline_aligned_in_smp ____cacheline_aligned #else #define ____cacheline_aligned_in_smp #endif /* CONFIG_SMP */ #endif #ifndef __cacheline_aligned #define __cacheline_aligned \ __attribute__((__aligned__(SMP_CACHE_BYTES), \ __section__(".data..cacheline_aligned"))) #endif /* __cacheline_aligned */ #ifndef __cacheline_aligned_in_smp #ifdef CONFIG_SMP #define __cacheline_aligned_in_smp __cacheline_aligned #else #define __cacheline_aligned_in_smp #endif /* CONFIG_SMP */ #endif /* * The maximum alignment needed for some critical structures * These could be inter-node cacheline sizes/L3 cacheline * size etc. Define this in asm/cache.h for your arch */ #ifndef INTERNODE_CACHE_SHIFT #define INTERNODE_CACHE_SHIFT L1_CACHE_SHIFT #endif #if !defined(____cacheline_internodealigned_in_smp) #if defined(CONFIG_SMP) #define ____cacheline_internodealigned_in_smp \ __attribute__((__aligned__(1 << (INTERNODE_CACHE_SHIFT)))) #else #define ____cacheline_internodealigned_in_smp #endif #endif #ifndef CONFIG_ARCH_HAS_CACHE_LINE_SIZE #define cache_line_size() L1_CACHE_BYTES #endif #endif /* __LINUX_CACHE_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 51 | 31.48% | 1 | 8.33% |
| Linus Torvalds | 40 | 24.69% | 2 | 16.67% |
| Andrew Morton | 25 | 15.43% | 2 | 16.67% |
| Ravikiran G. Thirumalai | 14 | 8.64% | 1 | 8.33% |
| Kees Cook | 11 | 6.79% | 1 | 8.33% |
| Pekka J Enberg | 10 | 6.17% | 1 | 8.33% |
| Christoph Lameter | 6 | 3.70% | 1 | 8.33% |
| Joe Perches | 2 | 1.23% | 1 | 8.33% |
| Kyle McMartin | 2 | 1.23% | 1 | 8.33% |
| Tim Abbott | 1 | 0.62% | 1 | 8.33% |
| Total | 162 | 100.00% | 12 | 100.00% |