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lib
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modules
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4.4.0-1128-aws
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build
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include
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linux
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Filename :
vmacache.h
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#ifndef __LINUX_VMACACHE_H #define __LINUX_VMACACHE_H #include <linux/sched.h> #include <linux/mm.h> /* * Hash based on the page number. Provides a good hit rate for * workloads with good locality and those with random accesses as well. */ #define VMACACHE_HASH(addr) ((addr >> PAGE_SHIFT) & VMACACHE_MASK) static inline void vmacache_flush(struct task_struct *tsk) { memset(tsk->vmacache, 0, sizeof(tsk->vmacache)); } extern void vmacache_update(unsigned long addr, struct vm_area_struct *newvma); extern struct vm_area_struct *vmacache_find(struct mm_struct *mm, unsigned long addr); #ifndef CONFIG_MMU extern struct vm_area_struct *vmacache_find_exact(struct mm_struct *mm, unsigned long start, unsigned long end); #endif static inline void vmacache_invalidate(struct mm_struct *mm) { mm->vmacache_seqnum++; } #endif /* __LINUX_VMACACHE_H */