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-rw-r--r--arch/arm/mm/mmu.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 4722582b17b8..4426ee67ceca 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -687,13 +687,19 @@ __early_param("vmalloc=", early_vmalloc);
687 687
688static void __init sanity_check_meminfo(void) 688static void __init sanity_check_meminfo(void)
689{ 689{
690 int i, j; 690 int i, j, highmem = 0;
691 691
692 for (i = 0, j = 0; i < meminfo.nr_banks; i++) { 692 for (i = 0, j = 0; i < meminfo.nr_banks; i++) {
693 struct membank *bank = &meminfo.bank[j]; 693 struct membank *bank = &meminfo.bank[j];
694 *bank = meminfo.bank[i]; 694 *bank = meminfo.bank[i];
695 695
696#ifdef CONFIG_HIGHMEM 696#ifdef CONFIG_HIGHMEM
697 if (__va(bank->start) > VMALLOC_MIN ||
698 __va(bank->start) < (void *)PAGE_OFFSET)
699 highmem = 1;
700
701 bank->highmem = highmem;
702
697 /* 703 /*
698 * Split those memory banks which are partially overlapping 704 * Split those memory banks which are partially overlapping
699 * the vmalloc area greatly simplifying things later. 705 * the vmalloc area greatly simplifying things later.
@@ -714,6 +720,7 @@ static void __init sanity_check_meminfo(void)
714 i++; 720 i++;
715 bank[1].size -= VMALLOC_MIN - __va(bank->start); 721 bank[1].size -= VMALLOC_MIN - __va(bank->start);
716 bank[1].start = __pa(VMALLOC_MIN - 1) + 1; 722 bank[1].start = __pa(VMALLOC_MIN - 1) + 1;
723 bank[1].highmem = highmem = 1;
717 j++; 724 j++;
718 } 725 }
719 bank->size = VMALLOC_MIN - __va(bank->start); 726 bank->size = VMALLOC_MIN - __va(bank->start);