Merge commit 'v2.6.31-rc8' into next

[mirror_ubuntu-jammy-kernel.git] / arch / arm / mm / mmu.c

diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 4722582b17b82f526feef2d2f439bef26a98e946..4426ee67ceca5d3d74c9b0dbe0f39c5b7e2b8538 100644 (file)
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -687,13 +687,19 @@ __early_param("vmalloc=", early_vmalloc);
 
 static void __init sanity_check_meminfo(void)
 {
-       int i, j;
+       int i, j, highmem = 0;
 
        for (i = 0, j = 0; i < meminfo.nr_banks; i++) {
                struct membank *bank = &meminfo.bank[j];
                *bank = meminfo.bank[i];
 
 #ifdef CONFIG_HIGHMEM
+               if (__va(bank->start) > VMALLOC_MIN ||
+                   __va(bank->start) < (void *)PAGE_OFFSET)
+                       highmem = 1;
+
+               bank->highmem = highmem;
+
                /*
                 * Split those memory banks which are partially overlapping
                 * the vmalloc area greatly simplifying things later.
@@ -714,6 +720,7 @@ static void __init sanity_check_meminfo(void)
                                i++;
                                bank[1].size -= VMALLOC_MIN - __va(bank->start);
                                bank[1].start = __pa(VMALLOC_MIN - 1) + 1;
+                               bank[1].highmem = highmem = 1;
                                j++;
                        }
                        bank->size = VMALLOC_MIN - __va(bank->start);