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Commit c44e8d5e authored by Atsushi Nemoto's avatar Atsushi Nemoto Committed by Ralf Baechle
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[MIPS] prom_free_prom_memory cleanup 



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: default avatarAtsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 2fa7937b

arch/mips/arc/memory.c

+4 −14
Original line number Diff line number Diff line
@@ -141,30 +141,20 @@ void __init prom_meminit(void) 
	}

}



unsigned long __init prom_free_prom_memory(void)

void __init prom_free_prom_memory(void)

{

	unsigned long freed = 0;

	unsigned long addr;

	int i;



	if (prom_flags & PROM_FLAG_DONT_FREE_TEMP)

		return 0;

		return;



	for (i = 0; i < boot_mem_map.nr_map; i++) {

		if (boot_mem_map.map[i].type != BOOT_MEM_ROM_DATA)

			continue;



		addr = boot_mem_map.map[i].addr;

		while (addr < boot_mem_map.map[i].addr

			      + boot_mem_map.map[i].size) {

			ClearPageReserved(virt_to_page(__va(addr)));

			init_page_count(virt_to_page(__va(addr)));

			free_page((unsigned long)__va(addr));

			addr += PAGE_SIZE;

			freed += PAGE_SIZE;

		free_init_pages("prom memory",

				addr, addr + boot_mem_map.map[i].size);

	}

}
 
	printk(KERN_INFO "Freeing prom memory: %ldkb freed\n", freed >> 10);



	return freed;

}

arch/mips/au1000/common/prom.c

+1 −2
Original line number Diff line number Diff line
@@ -149,9 +149,8 @@ int get_ethernet_addr(char *ethernet_addr) 
	return 0;

}



unsigned long __init prom_free_prom_memory(void)

void __init prom_free_prom_memory(void)

{

	return 0;

}



EXPORT_SYMBOL(prom_getcmdline);

arch/mips/cobalt/setup.c

+1 −2
Original line number Diff line number Diff line
@@ -204,8 +204,7 @@ void __init prom_init(void) 
	add_memory_region(0x0, memsz, BOOT_MEM_RAM);

}



unsigned long __init prom_free_prom_memory(void)

void __init prom_free_prom_memory(void)

{

	/* Nothing to do! */

	return 0;

}

arch/mips/ddb5xxx/common/prom.c

+1 −2
Original line number Diff line number Diff line
@@ -59,9 +59,8 @@ void __init prom_init(void) 
#endif

}



unsigned long __init prom_free_prom_memory(void)

void __init prom_free_prom_memory(void)

{

	return 0;

}



#if defined(CONFIG_DDB5477)

arch/mips/dec/prom/memory.c

+3 −14
Original line number Diff line number Diff line
@@ -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);

}