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authorIra Weiny <ira.weiny@intel.com>2020-06-04 16:48:06 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2020-06-04 19:06:22 -0700
commit8bfb1a10f2bb621a2c4c8bf7671b163f7e20d332 (patch)
treeca6536b8eb03d341ac8fbca44813906a576a547a /arch
parent915ecc22d5b20fc936b91d3678b267a96b352c12 (diff)
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: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Andrew 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.com Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/csky/include/asm/highmem.h1
-rw-r--r--arch/csky/mm/highmem.c13
-rw-r--r--arch/nds32/include/asm/highmem.h1
3 files changed, 0 insertions, 15 deletions
diff --git a/arch/csky/include/asm/highmem.h b/arch/csky/include/asm/highmem.h
index 263fbddcd0a3..ea2f3f39174d 100644
--- a/arch/csky/include/asm/highmem.h
+++ b/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)
diff --git a/arch/csky/mm/highmem.c b/arch/csky/mm/highmem.c
index 3ae5c8cd7619..3b3f622f5ae9 100644
--- a/arch/csky/mm/highmem.c
+++ b/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;
diff --git a/arch/nds32/include/asm/highmem.h b/arch/nds32/include/asm/highmem.h
index 4d21308549c9..a48a6536d41a 100644
--- a/arch/nds32/include/asm/highmem.h
+++ b/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