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| author | Yinghai Lu <yhlu.kernel@gmail.com> | 2008-06-02 10:55:37 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-03 15:26:29 +0400 |
| commit | c8c034ce79418d2143c00c4cf751cfa51701f788 (patch) | |
| tree | 1b7a53b01b5ff16ed3c7f35c5cb5bff912d77605 | |
| parent | 6af61a7614a306fe882a0c2b4ddc63b65aa66efc (diff) | |
| download | linux-c8c034ce79418d2143c00c4cf751cfa51701f788.tar.xz | |
x86: clean up max_pfn_mapped usage - 64-bit
on 64-bit we only get valid max_pfn_mapped after init_memory_mapping().
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/kernel/e820_64.c | 15 | ||||
| -rw-r--r-- | arch/x86/kernel/setup_64.c | 2 |
2 files changed, 4 insertions, 13 deletions
diff --git a/arch/x86/kernel/e820_64.c b/arch/x86/kernel/e820_64.c index 5e063e72b24a..a11bec20f65d 100644 --- a/arch/x86/kernel/e820_64.c +++ b/arch/x86/kernel/e820_64.c @@ -55,16 +55,12 @@ unsigned long __init e820_end_of_ram(void) last_pfn = find_max_pfn_with_active_regions(); - if (last_pfn > max_pfn_mapped) - max_pfn_mapped = last_pfn; - if (max_pfn_mapped > MAXMEM>>PAGE_SHIFT) - max_pfn_mapped = MAXMEM>>PAGE_SHIFT; + if (last_pfn > MAXMEM>>PAGE_SHIFT) + last_pfn = MAXMEM>>PAGE_SHIFT; if (last_pfn > end_user_pfn) last_pfn = end_user_pfn; - if (last_pfn > max_pfn_mapped) - last_pfn = max_pfn_mapped; - printk(KERN_INFO "max_pfn_mapped = %lu\n", max_pfn_mapped); + printk(KERN_INFO "last_pfn = %lu\n", last_pfn); return last_pfn; } @@ -109,10 +105,6 @@ static int __init e820_find_active_region(const struct e820entry *ei, if (*ei_startpfn >= *ei_endpfn) return 0; - /* Check if max_pfn_mapped should be updated */ - if (ei->type != E820_RAM && *ei_endpfn > max_pfn_mapped) - max_pfn_mapped = *ei_endpfn; - /* Skip if map is outside the node */ if (ei->type != E820_RAM || *ei_endpfn <= start_pfn || *ei_startpfn >= last_pfn) @@ -229,7 +221,6 @@ static int __init parse_memmap_opt(char *p) saved_max_pfn = e820_end_of_ram(); remove_all_active_ranges(); #endif - max_pfn_mapped = 0; e820.nr_map = 0; userdef = 1; return 0; diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index 978a0d637f3f..2599b2744207 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -396,7 +396,7 @@ void __init setup_arch(char **cmdline_p) check_efer(); - max_pfn_mapped = init_memory_mapping(0, (max_pfn_mapped << PAGE_SHIFT)); + max_pfn_mapped = init_memory_mapping(0, (end_pfn << PAGE_SHIFT)); if (efi_enabled) efi_init(); |