From: Ira Weiny <ira.weiny@xxxxxxxxx> Subject: kmap: remove kmap_atomic_to_page() kmap_atomic_to_page() has no callers and is only defined on 1 arch and declared on another. Remove it. Link: http://lkml.kernel.org/r/20200507150004.1423069-13-ira.weiny@xxxxxxxxx Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx> Suggested-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Andy Lutomirski <luto@xxxxxxxxxx> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx> Cc: Borislav Petkov <bp@xxxxxxxxx> Cc: Christian König <christian.koenig@xxxxxxx> Cc: Christoph Hellwig <hch@xxxxxx> Cc: Chris Zankel <chris@xxxxxxxxxx> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx> Cc: Dan Williams <dan.j.williams@xxxxxxxxx> Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> Cc: "David S. Miller" <davem@xxxxxxxxxxxxx> Cc: Helge Deller <deller@xxxxxx> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: "James E.J. Bottomley" <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> Cc: Max Filippov <jcmvbkbc@xxxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- arch/csky/include/asm/highmem.h | 1 - arch/csky/mm/highmem.c | 13 ------------- arch/nds32/include/asm/highmem.h | 1 - 3 files changed, 15 deletions(-) --- a/arch/csky/include/asm/highmem.h~kmap-remove-kmap_atomic_to_page +++ a/arch/csky/include/asm/highmem.h @@ -33,7 +33,6 @@ extern pte_t *pkmap_page_table; #define ARCH_HAS_KMAP_FLUSH_TLB extern void kmap_flush_tlb(unsigned long addr); extern void *kmap_atomic_pfn(unsigned long pfn); -extern struct page *kmap_atomic_to_page(void *ptr); #define flush_cache_kmaps() do {} while (0) --- a/arch/csky/mm/highmem.c~kmap-remove-kmap_atomic_to_page +++ a/arch/csky/mm/highmem.c @@ -81,19 +81,6 @@ void *kmap_atomic_pfn(unsigned long pfn) return (void *) vaddr; } -struct page *kmap_atomic_to_page(void *ptr) -{ - unsigned long idx, vaddr = (unsigned long)ptr; - pte_t *pte; - - if (vaddr < FIXADDR_START) - return virt_to_page(ptr); - - idx = virt_to_fix(vaddr); - pte = kmap_pte - (idx - FIX_KMAP_BEGIN); - return pte_page(*pte); -} - static void __init kmap_pages_init(void) { unsigned long vaddr; --- a/arch/nds32/include/asm/highmem.h~kmap-remove-kmap_atomic_to_page +++ a/arch/nds32/include/asm/highmem.h @@ -52,7 +52,6 @@ extern void kmap_init(void); */ #ifdef CONFIG_HIGHMEM extern void *kmap_atomic_pfn(unsigned long pfn); -extern struct page *kmap_atomic_to_page(void *ptr); #endif #endif _
