Merge branches 'core/signal' and 'x86/spinlocks' into x86/xen

[linux-2.6-omap-h63xx.git] / arch / x86 / mm / ioremap.c

diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 6ba6f889c79da6f7c0370df17ef529cf5dd16a93..10b52309aefd37634f87167f52fd8660fac26394 100644 (file)
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -83,6 +83,25 @@ int page_is_ram(unsigned long pagenr)
        return 0;
 }
 
+int pagerange_is_ram(unsigned long start, unsigned long end)
+{
+       int ram_page = 0, not_rampage = 0;
+       unsigned long page_nr;
+
+       for (page_nr = (start >> PAGE_SHIFT); page_nr < (end >> PAGE_SHIFT);
+            ++page_nr) {
+               if (page_is_ram(page_nr))
+                       ram_page = 1;
+               else
+                       not_rampage = 1;
+
+               if (ram_page == not_rampage)
+                       return -1;
+       }
+
+       return ram_page;
+}
+
 /*
  * Fix up the linear direct mapping of the kernel to avoid cache attribute
  * conflicts.
@@ -421,7 +440,7 @@ void unxlate_dev_mem_ptr(unsigned long phys, void *addr)
        return;
 }
 
-int __initdata early_ioremap_debug;
+static int __initdata early_ioremap_debug;
 
 static int __init early_ioremap_debug_setup(char *str)
 {
@@ -547,19 +566,17 @@ static inline void __init early_clear_fixmap(enum fixed_addresses idx)
 }
 
 
-int __initdata early_ioremap_nested;
+static int __initdata early_ioremap_nested;
 
 static int __init check_early_ioremap_leak(void)
 {
        if (!early_ioremap_nested)
                return 0;
-
-       printk(KERN_WARNING
+       WARN(1, KERN_WARNING
               "Debug warning: early ioremap leak of %d areas detected.\n",
-              early_ioremap_nested);
+               early_ioremap_nested);
        printk(KERN_WARNING
-              "please boot with early_ioremap_debug and report the dmesg.\n");
-       WARN_ON(1);
+               "please boot with early_ioremap_debug and report the dmesg.\n");
 
        return 1;
 }
@@ -597,7 +614,7 @@ void __init *early_ioremap(unsigned long phys_addr, unsigned long size)
         */
        offset = phys_addr & ~PAGE_MASK;
        phys_addr &= PAGE_MASK;
-       size = PAGE_ALIGN(last_addr) - phys_addr;
+       size = PAGE_ALIGN(last_addr + 1) - phys_addr;
 
        /*
         * Mappings have to fit in the FIX_BTMAP area.