Commit 5bbeed12 authored by Sam Ravnborg's avatar Sam Ravnborg Committed by David S. Miller
Browse files

sparc32: drop unused kmap_atomic_to_page 



No users left of this function - drop it.

Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 881e02d2

arch/sparc/include/asm/highmem.h

+0 −1
Original line number Diff line number Diff line
@@ -72,7 +72,6 @@ static inline void kunmap(struct page *page) 


extern void *kmap_atomic(struct page *page);

extern void __kunmap_atomic(void *kvaddr);

extern struct page *kmap_atomic_to_page(void *vaddr);



#define flush_cache_kmaps()	flush_cache_all()

arch/sparc/mm/highmem.c

+0 −18
Original line number Diff line number Diff line
@@ -110,21 +110,3 @@ void __kunmap_atomic(void *kvaddr) 
	pagefault_enable();

}

EXPORT_SYMBOL(__kunmap_atomic);
 


/* We may be fed a pagetable here by ptep_to_xxx and others. */

struct page *kmap_atomic_to_page(void *ptr)

{

	unsigned long idx, vaddr = (unsigned long)ptr;

	pte_t *pte;



	if (vaddr < SRMMU_NOCACHE_VADDR)

		return virt_to_page(ptr);

	if (vaddr < PKMAP_BASE)

		return pfn_to_page(__nocache_pa(vaddr) >> PAGE_SHIFT);

	BUG_ON(vaddr < FIXADDR_START);

	BUG_ON(vaddr > FIXADDR_TOP);



	idx = virt_to_fix(vaddr);

	pte = kmap_pte - (idx - FIX_KMAP_BEGIN);

	return pte_page(*pte);

}