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| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-05-20 20:10:58 -0700 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2008-05-25 11:35:53 +0200 |
| commit | bf62f3981c7076714e3b9f5fa6989a806cad02bf (patch) | |
| tree | 8c47942af4b670d6381e853ff22f085b336ebc68 /include/asm-x86/e820.h | |
| parent | aafbdf71f1d3aeffd679b1a86e1b28f71515856c (diff) | |
| download | lwn-bf62f3981c7076714e3b9f5fa6989a806cad02bf.tar.gz lwn-bf62f3981c7076714e3b9f5fa6989a806cad02bf.zip | |
x86: move e820_mark_nosave_regions to e820.c
and make e820_mark_nosave_regions to take limit_pfn to use max_low_pfn
for 32bit and end_pfn for 64bit
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/asm-x86/e820.h')
| -rw-r--r-- | include/asm-x86/e820.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-x86/e820.h b/include/asm-x86/e820.h index 5a58e2bb1d78..4266a2c5f2e8 100644 --- a/include/asm-x86/e820.h +++ b/include/asm-x86/e820.h @@ -70,6 +70,15 @@ extern u64 update_memory_range(u64 start, u64 size, unsigned old_type, extern void update_e820(void); extern void e820_setup_gap(void); +#if defined(CONFIG_X86_64) || \ + (defined(CONFIG_X86_32) && defined(CONFIG_HIBERNATION)) +extern void e820_mark_nosave_regions(unsigned long limit_pfn); +#else +static inline void e820_mark_nosave_regions(unsigned long limit_pfn) +{ +} +#endif + extern u64 find_e820_area(u64 start, u64 end, u64 size, u64 align); extern u64 find_e820_area_size(u64 start, u64 *sizep, u64 align); extern void reserve_early(u64 start, u64 end, char *name); |