diff options
| author | Alex Shi <alex.shi@linaro.org> | 2016-10-18 12:31:07 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-10-18 12:31:07 +0800 |
| commit | a66f9577c6e5280d83d45152aea29cf5e4548858 (patch) | |
| tree | ebb42fa6ef16a535adbd5acb8cc79bdd2980da24 /arch/x86/kernel/e820.c | |
| parent | 26700159745df7db2bc75e8032d2a36913c37880 (diff) | |
| parent | 2308e34317c8cc7beb03a3d18dc39d32015eff06 (diff) | |
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-android
Diffstat (limited to 'arch/x86/kernel/e820.c')
| -rw-r--r-- | arch/x86/kernel/e820.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index 569c1e4f96fe..38b3ead7222d 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -347,7 +347,7 @@ int __init sanitize_e820_map(struct e820entry *biosmap, int max_nr_map, * continue building up new bios map based on this * information */ - if (current_type != last_type || current_type == E820_PRAM) { + if (current_type != last_type) { if (last_type != 0) { new_bios[new_bios_entry].size = change_point[chgidx]->addr - last_addr; @@ -753,7 +753,7 @@ u64 __init early_reserve_e820(u64 size, u64 align) /* * Find the highest page frame number we have available */ -static unsigned long __init e820_end_pfn(unsigned long limit_pfn) +static unsigned long __init e820_end_pfn(unsigned long limit_pfn, unsigned type) { int i; unsigned long last_pfn = 0; @@ -764,11 +764,7 @@ static unsigned long __init e820_end_pfn(unsigned long limit_pfn) unsigned long start_pfn; unsigned long end_pfn; - /* - * Persistent memory is accounted as ram for purposes of - * establishing max_pfn and mem_map. - */ - if (ei->type != E820_RAM && ei->type != E820_PRAM) + if (ei->type != type) continue; start_pfn = ei->addr >> PAGE_SHIFT; @@ -793,12 +789,12 @@ static unsigned long __init e820_end_pfn(unsigned long limit_pfn) } unsigned long __init e820_end_of_ram_pfn(void) { - return e820_end_pfn(MAX_ARCH_PFN); + return e820_end_pfn(MAX_ARCH_PFN, E820_RAM); } unsigned long __init e820_end_of_low_ram_pfn(void) { - return e820_end_pfn(1UL << (32-PAGE_SHIFT)); + return e820_end_pfn(1UL << (32 - PAGE_SHIFT), E820_RAM); } static void early_panic(char *msg) |