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-rw-r--r--arch/x86/mm/init.c4
-rw-r--r--arch/x86/mm/init_32.c2
-rw-r--r--arch/x86/mm/init_64.c2
3 files changed, 5 insertions, 3 deletions
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index fec82b577c18..cee58a972cb2 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -706,7 +706,9 @@ void __init init_mem_mapping(void)
*/
int devmem_is_allowed(unsigned long pagenr)
{
- if (page_is_ram(pagenr)) {
+ if (region_intersects(PFN_PHYS(pagenr), PAGE_SIZE,
+ IORESOURCE_SYSTEM_RAM, IORES_DESC_NONE)
+ != REGION_DISJOINT) {
/*
* For disallowed memory regions in the low 1MB range,
* request that the page be shown as all zeros.
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index c893c6a3d707..979e0a02cbe1 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -692,7 +692,7 @@ void __init initmem_init(void)
high_memory = (void *) __va(max_low_pfn * PAGE_SIZE - 1) + 1;
#endif
- memblock_set_node(0, (phys_addr_t)ULLONG_MAX, &memblock.memory, 0);
+ memblock_set_node(0, PHYS_ADDR_MAX, &memblock.memory, 0);
sparse_memory_present_with_active_regions(0);
#ifdef CONFIG_FLATMEM
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 17383f9677fa..045f492d5f68 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -742,7 +742,7 @@ kernel_physical_mapping_init(unsigned long paddr_start,
#ifndef CONFIG_NUMA
void __init initmem_init(void)
{
- memblock_set_node(0, (phys_addr_t)ULLONG_MAX, &memblock.memory, 0);
+ memblock_set_node(0, PHYS_ADDR_MAX, &memblock.memory, 0);
}
#endif
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