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[MIPS] prom_free_prom_memory cleanup

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Current prom_free_prom_memory() implementations are almost same as
free_init_pages(), or no-op.  Make free_init_pages() extern (again)
and make prom_free_prom_memory() use it.

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Atsushi Nemoto
2006-12-30 00:43:59 +09:00
committed by Ralf Baechle
parent 2fa7937bd8
commit c44e8d5e47
31 changed files with 44 additions and 114 deletions
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17
arch/mips/dec/prom/memory.c
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@@ -92,9 +92,9 @@ void __init prom_meminit(u32 magic)
rex_setup_memory_region();
}
unsigned long __init prom_free_prom_memory(void)
void __init prom_free_prom_memory(void)
{
unsigned long addr, end;
unsigned long end;
/*
* Free everything below the kernel itself but leave
@@ -114,16 +114,5 @@ unsigned long __init prom_free_prom_memory(void)
#endif
end = __pa(&_text);
addr = PAGE_SIZE;
while (addr < end) {
ClearPageReserved(virt_to_page(__va(addr)));
init_page_count(virt_to_page(__va(addr)));
free_page((unsigned long)__va(addr));
addr += PAGE_SIZE;
}
printk("Freeing unused PROM memory: %ldkb freed\n",
(end - PAGE_SIZE) >> 10);
return end - PAGE_SIZE;
free_init_pages("unused PROM memory", PAGE_SIZE, end);
}