From: Ira Weiny <ira.weiny@xxxxxxxxx> All architectures do exactly the same thing for kunmap(); remove all the duplicate definitions and lift the call to the core. Reviewed-by: Dan Williams <dan.j.williams@xxxxxxxxx> Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx> --- arch/arc/include/asm/highmem.h | 9 --------- arch/arm/include/asm/highmem.h | 1 - arch/arm/mm/highmem.c | 9 --------- arch/csky/include/asm/highmem.h | 1 - arch/csky/mm/highmem.c | 9 --------- arch/microblaze/include/asm/highmem.h | 8 -------- arch/mips/include/asm/highmem.h | 1 - arch/mips/mm/highmem.c | 9 --------- arch/nds32/include/asm/highmem.h | 1 - arch/nds32/mm/highmem.c | 10 ---------- arch/powerpc/include/asm/highmem.h | 8 -------- arch/sparc/include/asm/highmem.h | 8 -------- arch/x86/include/asm/highmem.h | 2 -- arch/x86/mm/highmem_32.c | 9 --------- arch/xtensa/include/asm/highmem.h | 8 -------- include/linux/highmem.h | 8 ++++++++ 16 files changed, 8 insertions(+), 93 deletions(-) diff --git a/arch/arc/include/asm/highmem.h b/arch/arc/include/asm/highmem.h index 96eb67c86961..c03a911c9f21 100644 --- a/arch/arc/include/asm/highmem.h +++ b/arch/arc/include/asm/highmem.h @@ -41,15 +41,6 @@ static inline void flush_cache_kmaps(void) flush_cache_all(); } -static inline void kunmap(struct page *page) -{ - might_sleep(); - if (!PageHighMem(page)) - return; - kunmap_high(page); -} - - #endif #endif diff --git a/arch/arm/include/asm/highmem.h b/arch/arm/include/asm/highmem.h index c917522541de..829e3b969819 100644 --- a/arch/arm/include/asm/highmem.h +++ b/arch/arm/include/asm/highmem.h @@ -62,7 +62,6 @@ static inline void *kmap_high_get(struct page *page) * when CONFIG_HIGHMEM is not set. */ #ifdef CONFIG_HIGHMEM -extern void kunmap(struct page *page); extern void *kmap_atomic(struct page *page); extern void __kunmap_atomic(void *kvaddr); extern void *kmap_atomic_pfn(unsigned long pfn); diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c index e8ba37c36590..c700b32350ee 100644 --- a/arch/arm/mm/highmem.c +++ b/arch/arm/mm/highmem.c @@ -31,15 +31,6 @@ static inline pte_t get_fixmap_pte(unsigned long vaddr) return *ptep; } -void kunmap(struct page *page) -{ - might_sleep(); - if (!PageHighMem(page)) - return; - kunmap_high(page); -} -EXPORT_SYMBOL(kunmap); - void *kmap_atomic(struct page *page) { unsigned int idx; diff --git a/arch/csky/include/asm/highmem.h b/arch/csky/include/asm/highmem.h index 4caeff143748..a0e7c43731a0 100644 --- a/arch/csky/include/asm/highmem.h +++ b/arch/csky/include/asm/highmem.h @@ -34,7 +34,6 @@ extern void kunmap_high(struct page *page); #define ARCH_HAS_KMAP extern void *kmap(struct page *page); -extern void kunmap(struct page *page); extern void *kmap_atomic(struct page *page); extern void __kunmap_atomic(void *kvaddr); extern void *kmap_atomic_pfn(unsigned long pfn); diff --git a/arch/csky/mm/highmem.c b/arch/csky/mm/highmem.c index 5fb0bd855444..69b1931986ae 100644 --- a/arch/csky/mm/highmem.c +++ b/arch/csky/mm/highmem.c @@ -22,15 +22,6 @@ void *kmap(struct page *page) } EXPORT_SYMBOL(kmap); -void kunmap(struct page *page) -{ - might_sleep(); - if (!PageHighMem(page)) - return; - kunmap_high(page); -} -EXPORT_SYMBOL(kunmap); - void *kmap_atomic(struct page *page) { unsigned long vaddr; diff --git a/arch/microblaze/include/asm/highmem.h b/arch/microblaze/include/asm/highmem.h index 8c5bfd228bd8..1cbd52a0e39b 100644 --- a/arch/microblaze/include/asm/highmem.h +++ b/arch/microblaze/include/asm/highmem.h @@ -55,14 +55,6 @@ extern void kunmap_high(struct page *page); extern void *kmap_atomic_prot(struct page *page, pgprot_t prot); extern void __kunmap_atomic(void *kvaddr); -static inline void kunmap(struct page *page) -{ - might_sleep(); - if (!PageHighMem(page)) - return; - kunmap_high(page); -} - static inline void *kmap_atomic(struct page *page) { return kmap_atomic_prot(page, kmap_prot); diff --git a/arch/mips/include/asm/highmem.h b/arch/mips/include/asm/highmem.h index c30bbb88fcfe..af9a66300628 100644 --- a/arch/mips/include/asm/highmem.h +++ b/arch/mips/include/asm/highmem.h @@ -50,7 +50,6 @@ extern void kunmap_high(struct page *page); #define ARCH_HAS_KMAP extern void *kmap(struct page *page); -extern void kunmap(struct page *page); extern void *kmap_atomic(struct page *page); extern void __kunmap_atomic(void *kvaddr); extern void *kmap_atomic_pfn(unsigned long pfn); diff --git a/arch/mips/mm/highmem.c b/arch/mips/mm/highmem.c index 3867dbe9ef32..c3c9fe962f0f 100644 --- a/arch/mips/mm/highmem.c +++ b/arch/mips/mm/highmem.c @@ -21,15 +21,6 @@ void *kmap(struct page *page) } EXPORT_SYMBOL(kmap); -void kunmap(struct page *page) -{ - might_sleep(); - if (!PageHighMem(page)) - return; - kunmap_high(page); -} -EXPORT_SYMBOL(kunmap); - /* * kmap_atomic/kunmap_atomic is significantly faster than kmap/kunmap because * no global lock is needed and because the kmap code must perform a global TLB diff --git a/arch/nds32/include/asm/highmem.h b/arch/nds32/include/asm/highmem.h index b13654a79069..e455e2624247 100644 --- a/arch/nds32/include/asm/highmem.h +++ b/arch/nds32/include/asm/highmem.h @@ -53,7 +53,6 @@ extern void kmap_init(void); * when CONFIG_HIGHMEM is not set. */ #ifdef CONFIG_HIGHMEM -extern void kunmap(struct page *page); extern void *kmap_atomic(struct page *page); extern void __kunmap_atomic(void *kvaddr); extern void *kmap_atomic_pfn(unsigned long pfn); diff --git a/arch/nds32/mm/highmem.c b/arch/nds32/mm/highmem.c index d0cde53b84ae..f9348bec0ecb 100644 --- a/arch/nds32/mm/highmem.c +++ b/arch/nds32/mm/highmem.c @@ -10,16 +10,6 @@ #include <asm/fixmap.h> #include <asm/tlbflush.h> -void kunmap(struct page *page) -{ - might_sleep(); - if (!PageHighMem(page)) - return; - kunmap_high(page); -} - -EXPORT_SYMBOL(kunmap); - void *kmap_atomic(struct page *page) { unsigned int idx; diff --git a/arch/powerpc/include/asm/highmem.h b/arch/powerpc/include/asm/highmem.h index f14e4feef6d5..08e02a4f3a8f 100644 --- a/arch/powerpc/include/asm/highmem.h +++ b/arch/powerpc/include/asm/highmem.h @@ -63,14 +63,6 @@ extern void kunmap_high(struct page *page); extern void *kmap_atomic_prot(struct page *page, pgprot_t prot); extern void __kunmap_atomic(void *kvaddr); -static inline void kunmap(struct page *page) -{ - might_sleep(); - if (!PageHighMem(page)) - return; - kunmap_high(page); -} - static inline void *kmap_atomic(struct page *page) { return kmap_atomic_prot(page, kmap_prot); diff --git a/arch/sparc/include/asm/highmem.h b/arch/sparc/include/asm/highmem.h index 2ff1192047f7..b3ee234b2a8f 100644 --- a/arch/sparc/include/asm/highmem.h +++ b/arch/sparc/include/asm/highmem.h @@ -52,14 +52,6 @@ void kmap_init(void) __init; void kunmap_high(struct page *page); -static inline void kunmap(struct page *page) -{ - might_sleep(); - if (!PageHighMem(page)) - return; - kunmap_high(page); -} - void *kmap_atomic(struct page *page); void __kunmap_atomic(void *kvaddr); diff --git a/arch/x86/include/asm/highmem.h b/arch/x86/include/asm/highmem.h index c916a28a9738..102cdcde74cb 100644 --- a/arch/x86/include/asm/highmem.h +++ b/arch/x86/include/asm/highmem.h @@ -60,8 +60,6 @@ extern unsigned long highstart_pfn, highend_pfn; extern void kunmap_high(struct page *page); -void kunmap(struct page *page); - void *kmap_atomic_prot(struct page *page, pgprot_t prot); void *kmap_atomic(struct page *page); void __kunmap_atomic(void *kvaddr); diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c index 12591a81b85c..c4ebfd0ae401 100644 --- a/arch/x86/mm/highmem_32.c +++ b/arch/x86/mm/highmem_32.c @@ -4,15 +4,6 @@ #include <linux/swap.h> /* for totalram_pages */ #include <linux/memblock.h> -void kunmap(struct page *page) -{ - might_sleep(); - if (!PageHighMem(page)) - return; - kunmap_high(page); -} -EXPORT_SYMBOL(kunmap); - /* * kmap_atomic/kunmap_atomic is significantly faster than kmap/kunmap because * no global lock is needed and because the kmap code must perform a global TLB diff --git a/arch/xtensa/include/asm/highmem.h b/arch/xtensa/include/asm/highmem.h index fac4f48bde6c..ae9e0ffbdb80 100644 --- a/arch/xtensa/include/asm/highmem.h +++ b/arch/xtensa/include/asm/highmem.h @@ -75,14 +75,6 @@ static inline void *kmap(struct page *page) return kmap_generic(page); } -static inline void kunmap(struct page *page) -{ - might_sleep(); - if (!PageHighMem(page)) - return; - kunmap_high(page); -} - static inline void flush_cache_kmaps(void) { flush_cache_all(); diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 2f7f710b7e7d..1a3b7690c78c 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -52,6 +52,14 @@ static inline void *kmap(struct page *page) } #endif +static inline void kunmap(struct page *page) +{ + might_sleep(); + if (!PageHighMem(page)) + return; + kunmap_high(page); +} + /* declarations for linux/mm/highmem.c */ unsigned int nr_free_highpages(void); extern atomic_long_t _totalhigh_pages; -- 2.25.1 _______________________________________________ linux-snps-arc mailing list linux-snps-arc@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-snps-arc