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| author | Ingo Molnar <mingo@elte.hu> | 2011-03-05 07:32:45 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-03-05 07:32:45 +0100 |
| commit | ca764aaf025d2c83054191895b366fa81a9ccf48 (patch) | |
| tree | e8e3bc880f4b269c924ccdf51ba8d6f3ff33b765 /arch/x86/kernel | |
| parent | d04c579f971bf7d995db1ef7a7161c0143068859 (diff) | |
| parent | 078a198906c796981f93ff100c210506e91aade5 (diff) | |
Merge branch 'x86-mm' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc into x86/mm
Diffstat (limited to 'arch/x86/kernel')
| -rw-r--r-- | arch/x86/kernel/setup.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 46e684f85b3..c3a606c41ce 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -963,6 +963,14 @@ void __init setup_arch(char **cmdline_p) max_low_pfn_mapped = init_memory_mapping(0, max_low_pfn<<PAGE_SHIFT); max_pfn_mapped = max_low_pfn_mapped; +#ifdef CONFIG_X86_64 + if (max_pfn > max_low_pfn) { + max_pfn_mapped = init_memory_mapping(1UL<<32, + max_pfn<<PAGE_SHIFT); + /* can we preseve max_low_pfn ?*/ + max_low_pfn = max_pfn; + } +#endif memblock.current_limit = get_max_mapped(); /* |