1 files changed, 5 insertions, 3 deletions

diff --git a/kernel/resource.c b/kernel/resource.c
index 4089d12af6e0..4337063663ef 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -17,6 +17,7 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/device.h>
+#include <linux/pfn.h>
 #include <asm/io.h>
 
 
@@ -522,7 +523,7 @@ static void __init __reserve_region_with_split(struct resource *root,
 {
         struct resource *parent = root;
         struct resource *conflict;
-        struct resource *res = kzalloc(sizeof(*res), GFP_KERNEL);
+        struct resource *res = kzalloc(sizeof(*res), GFP_ATOMIC);
 
         if (!res)
                 return;
@@ -571,7 +572,7 @@ static void __init __reserve_region_with_split(struct resource *root,
 
 }
 
-void reserve_region_with_split(struct resource *root,
+void __init reserve_region_with_split(struct resource *root,
                 resource_size_t start, resource_size_t end,
                 const char *name)
 {
@@ -849,7 +850,8 @@ int iomem_map_sanity_check(resource_size_t addr, unsigned long size)
                         continue;
                 if (p->end < addr)
                         continue;
-                if (p->start <= addr && (p->end >= addr + size - 1))
+                if (PFN_DOWN(p->start) <= PFN_DOWN(addr) &&
+                    PFN_DOWN(p->end) >= PFN_DOWN(addr + size - 1))
                         continue;
                 printk(KERN_WARNING "resource map sanity check conflict: "
                        "0x%llx 0x%llx 0x%llx 0x%llx %s\n",