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arm64: Convert empty flush_cache_{mm,page} functions to static inline

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These functions are empty, just make them static inline in the header.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Catalin Marinas 2012-11-23 18:15:32 +00:00
parent 88a24cffad
commit 8f3bfa584e
2 changed files with 9 additions and 11 deletions
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11
arch/arm64/include/asm/cacheflush.h
View File

@ -70,13 +70,20 @@
* - size - region size
*/
extern void flush_cache_all(void);
extern void flush_cache_mm(struct mm_struct *mm);
extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end);
extern void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr, unsigned long pfn);
extern void flush_icache_range(unsigned long start, unsigned long end);
extern void __flush_dcache_area(void *addr, size_t len);
extern void __flush_cache_user_range(unsigned long start, unsigned long end);
static inline void flush_cache_mm(struct mm_struct *mm)
{
}
static inline void flush_cache_page(struct vm_area_struct *vma,
unsigned long user_addr, unsigned long pfn)
{
}
/*
* Copy user data from/to a page which is mapped into a different
* processes address space. Really, we want to allow our "user

9
arch/arm64/mm/flush.c
View File

@ -27,10 +27,6 @@
#include "mm.h"
void flush_cache_mm(struct mm_struct *mm)
{
}
void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
unsigned long end)
{
@ -38,11 +34,6 @@ void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
__flush_icache_all();
}
void flush_cache_page(struct vm_area_struct *vma, unsigned long user_addr,
unsigned long pfn)
{
}
static void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
unsigned long uaddr, void *kaddr,
unsigned long len)