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authorCatalin Marinas <catalin.marinas@arm.com>2013-05-01 16:38:23 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2013-06-07 17:58:30 +0100
commitebd88367de80f9509bd30a09342d0a19c925b23e (patch)
tree32c41a487f3ccfd91fc532be216bf5db1234c5ff
parent7249b79f6b4cc3c2aa9138dca52e535a4c789107 (diff)
arm64: Remove __flush_dcache_page()
This function is only used in __sync_icache_dcache(), so remove it and call __flush_dcache_area() directly. The flush_icache_user_range() function is not used in the arm64 kernel. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Reported-by: Will Deacon <will.deacon@arm.com> Acked-by: Will Deacon <will.deacon@arm.com>
-rw-r--r--arch/arm64/include/asm/cacheflush.h3
-rw-r--r--arch/arm64/mm/flush.c7
-rw-r--r--arch/arm64/mm/mm.h1
3 files changed, 1 insertions, 10 deletions
diff --git a/arch/arm64/include/asm/cacheflush.h b/arch/arm64/include/asm/cacheflush.h
index 3300cbd18a89..fea9ee327206 100644
--- a/arch/arm64/include/asm/cacheflush.h
+++ b/arch/arm64/include/asm/cacheflush.h
@@ -123,9 +123,6 @@ static inline void __flush_icache_all(void)
#define flush_dcache_mmap_unlock(mapping) \
spin_unlock_irq(&(mapping)->tree_lock)
-#define flush_icache_user_range(vma,page,addr,len) \
- flush_dcache_page(page)
-
/*
* We don't appear to need to do anything here. In fact, if we did, we'd
* duplicate cache flushing elsewhere performed by flush_dcache_page().
diff --git a/arch/arm64/mm/flush.c b/arch/arm64/mm/flush.c
index 7c716634a671..e4193e3adc7f 100644
--- a/arch/arm64/mm/flush.c
+++ b/arch/arm64/mm/flush.c
@@ -70,11 +70,6 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page,
#endif
}
-void __flush_dcache_page(struct page *page)
-{
- __flush_dcache_area(page_address(page), PAGE_SIZE);
-}
-
void __sync_icache_dcache(pte_t pte, unsigned long addr)
{
struct page *page = pte_page(pte);
@@ -84,7 +79,7 @@ void __sync_icache_dcache(pte_t pte, unsigned long addr)
return;
if (!test_and_set_bit(PG_dcache_clean, &page->flags)) {
- __flush_dcache_page(page);
+ __flush_dcache_area(page_address(page), PAGE_SIZE);
__flush_icache_all();
} else if (icache_is_aivivt()) {
__flush_icache_all();
diff --git a/arch/arm64/mm/mm.h b/arch/arm64/mm/mm.h
index 916701e6d040..d519f4f50c8c 100644
--- a/arch/arm64/mm/mm.h
+++ b/arch/arm64/mm/mm.h
@@ -1,3 +1,2 @@
-extern void __flush_dcache_page(struct page *page);
extern void __init bootmem_init(void);
extern void __init arm64_swiotlb_init(void);