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[ARM] move initrd code from kernel/setup.c to mm/init.c

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This quietens some sparse warnings about phys_initrd_start and
phys_initrd_size.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
2008-09-06 10:57:03 +01:00
committed by Russell King
parent 446616dbb4
commit 012d1f4af1
2 changed files with 37 additions and 39 deletions
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39
arch/arm/mm/init.c
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@@ -27,8 +27,43 @@
#include "mm.h"
extern void _text, _etext, __data_start, _end, __init_begin, __init_end;
extern unsigned long phys_initrd_start;
extern unsigned long phys_initrd_size;
static unsigned long phys_initrd_start __initdata = 0;
static unsigned long phys_initrd_size __initdata = 0;
static void __init early_initrd(char **p)
{
unsigned long start, size;
start = memparse(*p, p);
if (**p == ',') {
size = memparse((*p) + 1, p);
phys_initrd_start = start;
phys_initrd_size = size;
}
}
__early_param("initrd=", early_initrd);
static int __init parse_tag_initrd(const struct tag *tag)
{
printk(KERN_WARNING "ATAG_INITRD is deprecated; "
"please update your bootloader.\n");
phys_initrd_start = __virt_to_phys(tag->u.initrd.start);
phys_initrd_size = tag->u.initrd.size;
return 0;
}
__tagtable(ATAG_INITRD, parse_tag_initrd);
static int __init parse_tag_initrd2(const struct tag *tag)
{
phys_initrd_start = tag->u.initrd.start;
phys_initrd_size = tag->u.initrd.size;
return 0;
}
__tagtable(ATAG_INITRD2, parse_tag_initrd2);
/*
* This is used to pass memory configuration data from paging_init