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[POWERPC] Remove a couple of unused definitions from pgtable_32.c

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In arch/powerpc/mm/pgtable_32.c, the variable io_bat_index and the
macro is_power_of_4() no longer have any users.  This removes them.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
David Gibson 2007-06-13 14:52:56 +10:00 committed by Paul Mackerras
parent f21f49ea63
commit c0770f686c
1 changed files with 0 additions and 4 deletions
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4
arch/powerpc/mm/pgtable_32.c
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@ -36,7 +36,6 @@
unsigned long ioremap_base;
unsigned long ioremap_bot;
EXPORT_SYMBOL(ioremap_bot); /* aka VMALLOC_END */
int io_bat_index;
#if defined(CONFIG_6xx) || defined(CONFIG_POWER3)
#define HAVE_BATS 1
@ -299,9 +298,6 @@ void __init mapin_ram(void)
}
}
/* is x a power of 4? */
#define is_power_of_4(x) is_power_of_2(x) && (ffs(x) & 1)
/* Scan the real Linux page tables and return a PTE pointer for
* a virtual address in a context.
* Returns true (1) if PTE was found, zero otherwise. The pointer to