Upgrade to 4.4.50-rt62

[kvmfornfv.git] / kernel / arch / x86 / kernel / e820.c

diff --git a/kernel/arch/x86/kernel/e820.c b/kernel/arch/x86/kernel/e820.c
index 569c1e4..52a2526 100644 (file)
--- a/kernel/arch/x86/kernel/e820.c
+++ b/kernel/arch/x86/kernel/e820.c
@@ -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)