On 03/24/2010 12:43 AM, Benjamin Herrenschmidt wrote:
> On Tue, 2010-03-23 at 22:54 -0700, Yinghai Lu wrote:
>> if the array can be doubled and have old one copied to new one.
>> then we don't change lmb.c too much.
>>
>> new early_res.c exend lmb. and another half already works with x86 to
>> replace bootmem.
>>
>> will check if i can produce one patch to make powerpc to reuse
>> early_res/nobootmem
>
> While at it, can you rename early_res to something that doesn't
> suck ? :-)
>
ok,
please check following renaming is ok to you.
the api from linux/early_res.h
#ifndef _LINUX_EARLY_RES_H
#define _LINUX_EARLY_RES_H
#ifdef __KERNEL__
extern void reserve_early(u64 start, u64 end, char *name);
extern void free_early(u64 start, u64 end);
void lmb_reserved_to_bootmem(u64 start, u64 end);
u64 find_early_area(u64 ei_start, u64 ei_last, u64 start, u64 end,
u64 size, u64 align);
void add_lmb_memory(u64 start, u64 end);
u64 find_lmb_area(u64 start, u64 end, u64 size, u64 align);
u64 find_lmb_area_size(u64 start, u64 *sizep, u64 align);
u64 find_lmb_area_node(int nid, u64 start, u64 end, u64 size, u64 align);
void lmb_register_active_regions(int nid, unsigned long start_pfn,
unsigned long last_pfn);
u64 lmb_hole_size(u64 start, u64 end);
u64 get_max_mapped(void);
struct range;
int get_free_all_memory_range(struct range **rangep, int nodeid);
#endif /* __KERNEL__ */
#endif /* _LINUX_EARLY_RES_H */
====>
extern void reserve_lmb(u64 start, u64 end, char *name);
extern void free_lmb(u64 start, u64 end);
void lmb_reserved_to_bootmem(u64 start, u64 end);
u64 __find_lmb_area(u64 ei_start, u64 ei_last, u64 start, u64 end,
u64 size, u64 align);
void add_lmb_memory(u64 start, u64 end);
u64 find_lmb_area(u64 start, u64 end, u64 size, u64 align);
u64 find_lmb_area_size(u64 start, u64 *sizep, u64 align);
u64 find_lmb_area_node(int nid, u64 start, u64 end, u64 size, u64 align);
void lmb_register_active_regions(int nid, unsigned long start_pfn,
unsigned long last_pfn);
u64 lmb_hole_size(u64 start, u64 end);
u64 get_max_mapped(void);
struct range;
int get_free_all_memory_range(struct range **rangep, int nodeid);
Thanks
Yinghai
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