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[SPARC64]: Privatize sun4u_get_pte() and fix name.

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__get_phys is only called from init.c as is prom_virt_to_phys(),
__get_iospace() is not called at all, and sun4u_get_pte() is largely
misnamed.

Privatize the implementation and helper functions of
sun4u_get_phys() to mm/init.c, and rename to
kvaddr_to_paddr().

The only used of this thing is flush_icache_range(), and thus
things can be considerably further simplified.  For example,
we should only see module or PAGE_OFFSET kernel addresses here,
so we don't need the OBP firmware range handling at all.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2007-03-15 15:44:05 -07:00
parent a0963bdfb9
commit 4be5c34dc4
2 changed files with 62 additions and 81 deletions
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include/asm-sparc64/pgtable.h
-14
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@@ -737,20 +737,6 @@ extern unsigned long pte_file(pte_t);
extern pte_t pgoff_to_pte(unsigned long);
#define PTE_FILE_MAX_BITS (64UL - PAGE_SHIFT - 1UL)
extern unsigned long prom_virt_to_phys(unsigned long, int *);
extern unsigned long sun4u_get_pte(unsigned long);
static inline unsigned long __get_phys(unsigned long addr)
{
return sun4u_get_pte(addr);
}
static inline int __get_iospace(unsigned long addr)
{
return ((sun4u_get_pte(addr) & 0xf0000000) >> 28);
}
extern unsigned long *sparc64_valid_addr_bitmap;
/* Needs to be defined here and not in linux/mm.h, as it is arch dependent */