Commit 8bfb1a10 authored by Ira Weiny's avatar Ira Weiny Committed by Linus Torvalds

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.
Suggested-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: default avatarIra Weiny <ira.weiny@intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Christian König <christian.koenig@amd.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Chris Zankel <chris@zankel.net>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Helge Deller <deller@gmx.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20200507150004.1423069-13-ira.weiny@intel.comSigned-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 915ecc22
...@@ -33,7 +33,6 @@ extern pte_t *pkmap_page_table; ...@@ -33,7 +33,6 @@ extern pte_t *pkmap_page_table;
#define ARCH_HAS_KMAP_FLUSH_TLB #define ARCH_HAS_KMAP_FLUSH_TLB
extern void kmap_flush_tlb(unsigned long addr); extern void kmap_flush_tlb(unsigned long addr);
extern void *kmap_atomic_pfn(unsigned long pfn); extern void *kmap_atomic_pfn(unsigned long pfn);
extern struct page *kmap_atomic_to_page(void *ptr);
#define flush_cache_kmaps() do {} while (0) #define flush_cache_kmaps() do {} while (0)
......
...@@ -81,19 +81,6 @@ void *kmap_atomic_pfn(unsigned long pfn) ...@@ -81,19 +81,6 @@ void *kmap_atomic_pfn(unsigned long pfn)
return (void *) vaddr; 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) static void __init kmap_pages_init(void)
{ {
unsigned long vaddr; unsigned long vaddr;
......
...@@ -52,7 +52,6 @@ extern void kmap_init(void); ...@@ -52,7 +52,6 @@ extern void kmap_init(void);
*/ */
#ifdef CONFIG_HIGHMEM #ifdef CONFIG_HIGHMEM
extern void *kmap_atomic_pfn(unsigned long pfn); extern void *kmap_atomic_pfn(unsigned long pfn);
extern struct page *kmap_atomic_to_page(void *ptr);
#endif #endif
#endif #endif
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