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[ARM] rationalize memory configuration code some more

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Currently there are two instances of struct meminfo: one in
kernel/setup.c marked __initdata, and another in mm/init.c with
permanent storage.  Let's keep only the later to directly populate
the permanent version from arm_add_memory().

Also move common validation tests between the MMU and non-MMU cases
into arm_add_memory() to remove some duplication.  Protection against
overflowing the membank array is also moved in there in order to cover
the kernel cmdline parsing path as well.

Signed-off-by: Nicolas Pitre <nico@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Nicolas Pitre
2008-10-06 13:24:40 -04:00
committed by Russell King
parent 43ae286b7d
commit 4b5f32cee0
6 changed files with 45 additions and 59 deletions
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arch/arm/mm/mm.h
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@@ -32,7 +32,7 @@ struct meminfo;
struct pglist_data;
void __init create_mapping(struct map_desc *md);
void __init bootmem_init(struct meminfo *mi);
void __init bootmem_init(void);
void reserve_node_zero(struct pglist_data *pgdat);
extern void _text, _stext, _etext, __data_start, _end, __init_begin, __init_end;