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author | Ingo Molnar <mingo@elte.hu> | 2011-03-05 07:32:45 +0100 |
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committer | Ingo Molnar <mingo@elte.hu> | 2011-03-05 07:32:45 +0100 |
commit | ca764aaf025d2c83054191895b366fa81a9ccf48 (patch) | |
tree | e8e3bc880f4b269c924ccdf51ba8d6f3ff33b765 /arch/x86/mm/init_64.c | |
parent | d04c579f971bf7d995db1ef7a7161c0143068859 (diff) | |
parent | 078a198906c796981f93ff100c210506e91aade5 (diff) | |
download | talos-obmc-linux-ca764aaf025d2c83054191895b366fa81a9ccf48.tar.gz talos-obmc-linux-ca764aaf025d2c83054191895b366fa81a9ccf48.zip |
Merge branch 'x86-mm' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/misc into x86/mm
Diffstat (limited to 'arch/x86/mm/init_64.c')
-rw-r--r-- | arch/x86/mm/init_64.c | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 470cc4704a9a..c8813aa39740 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -606,63 +606,9 @@ kernel_physical_mapping_init(unsigned long start, void __init initmem_init(void) { memblock_x86_register_active_regions(0, 0, max_pfn); - init_memory_mapping_high(); } #endif -struct mapping_work_data { - unsigned long start; - unsigned long end; - unsigned long pfn_mapped; -}; - -static int __init_refok -mapping_work_fn(unsigned long start_pfn, unsigned long end_pfn, void *datax) -{ - struct mapping_work_data *data = datax; - unsigned long pfn_mapped; - unsigned long final_start, final_end; - - final_start = max_t(unsigned long, start_pfn<<PAGE_SHIFT, data->start); - final_end = min_t(unsigned long, end_pfn<<PAGE_SHIFT, data->end); - - if (final_end <= final_start) - return 0; - - pfn_mapped = init_memory_mapping(final_start, final_end); - - if (pfn_mapped > data->pfn_mapped) - data->pfn_mapped = pfn_mapped; - - return 0; -} - -static unsigned long __init_refok -init_memory_mapping_active_regions(unsigned long start, unsigned long end) -{ - struct mapping_work_data data; - - data.start = start; - data.end = end; - data.pfn_mapped = 0; - - work_with_active_regions(MAX_NUMNODES, mapping_work_fn, &data); - - return data.pfn_mapped; -} - -void __init_refok init_memory_mapping_high(void) -{ - if (max_pfn > max_low_pfn) { - max_pfn_mapped = init_memory_mapping_active_regions(1UL<<32, - max_pfn<<PAGE_SHIFT); - /* can we preserve max_low_pfn ? */ - max_low_pfn = max_pfn; - - memblock.current_limit = get_max_mapped(); - } -} - void __init paging_init(void) { unsigned long max_zone_pfns[MAX_NR_ZONES]; |