reserve_region_with_split: Fix GFP_KERNEL usage under spinlock

[linux-2.6-omap-h63xx.git] / kernel / resource.c

diff --git a/kernel/resource.c b/kernel/resource.c
index 7fec0e4272342c162d1f8b8d09bb7a824f11393e..4337063663efe39f8de666d16c591c84f66db0f7 100644 (file)
--- 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;
@@ -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",