TononixOS/ubports_kernel_google_msm
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core: Move early_res from arch/x86 to kernel/

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This makes the range reservation feature available to other
architectures.

-v2: add get_max_mapped, max_pfn_mapped only defined in x86...
     to fix PPC compiling
-v3: according to hpa, add CONFIG_HAVE_EARLY_RES
-v4: fix typo about EARLY_RES in config

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <4B7B5723.4070009@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Yinghai Lu
2010-02-16 18:40:35 -08:00
committed by H. Peter Anvin
parent dd645cee7b
commit 580e0ad21d
7 changed files with 23 additions and 18 deletions
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22
include/linux/early_res.h Normal file
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@@ -0,0 +1,22 @@
#ifndef _LINUX_EARLY_RES_H
#define _LINUX_EARLY_RES_H
#ifdef __KERNEL__
extern void reserve_early(u64 start, u64 end, char *name);
extern void reserve_early_overlap_ok(u64 start, u64 end, char *name);
extern void free_early(u64 start, u64 end);
extern void early_res_to_bootmem(u64 start, u64 end);
void reserve_early_without_check(u64 start, u64 end, char *name);
u64 find_early_area(u64 ei_start, u64 ei_last, u64 start, u64 end,
u64 size, u64 align);
u64 find_early_area_size(u64 ei_start, u64 ei_last, u64 start,
u64 *sizep, u64 align);
u64 find_fw_memmap_area(u64 start, u64 end, u64 size, u64 align);
u64 get_max_mapped(void);
#include <linux/range.h>
int get_free_all_memory_range(struct range **rangep, int nodeid);
#endif /* __KERNEL__ */
#endif /* _LINUX_EARLY_RES_H */