x86: fix shadow variables of global end_pnf in e820_64.c

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/arch/x86/kernel/e820_64.c b/arch/x86/kernel/e820_64.c
index 07941b5..5a9bc92 100644 (file)
--- a/arch/x86/kernel/e820_64.c
+++ b/arch/x86/kernel/e820_64.c
@@ -51,21 +51,21 @@ static unsigned long __initdata end_user_pfn = MAXMEM>>PAGE_SHIFT;
  */
 unsigned long __init e820_end_of_ram(void)
 {
-       unsigned long end_pfn;
+       unsigned long last_pfn;
 
-       end_pfn = find_max_pfn_with_active_regions();
+       last_pfn = find_max_pfn_with_active_regions();
 
-       if (end_pfn > max_pfn_mapped)
-               max_pfn_mapped = end_pfn;
+       if (last_pfn > max_pfn_mapped)
+               max_pfn_mapped = last_pfn;
        if (max_pfn_mapped > MAXMEM>>PAGE_SHIFT)
                max_pfn_mapped = MAXMEM>>PAGE_SHIFT;
-       if (end_pfn > end_user_pfn)
-               end_pfn = end_user_pfn;
-       if (end_pfn > max_pfn_mapped)
-               end_pfn = max_pfn_mapped;
+       if (last_pfn > end_user_pfn)
+               last_pfn = end_user_pfn;
+       if (last_pfn > max_pfn_mapped)
+               last_pfn = max_pfn_mapped;
 
        printk(KERN_INFO "max_pfn_mapped = %lu\n", max_pfn_mapped);
-       return end_pfn;
+       return last_pfn;
 }
 
 /*
@@ -124,12 +124,12 @@ void __init e820_mark_nosave_regions(void)
 }
 
 /*
- * Finds an active region in the address range from start_pfn to end_pfn and
+ * Finds an active region in the address range from start_pfn to last_pfn and
  * returns its range in ei_startpfn and ei_endpfn for the e820 entry.
  */
 static int __init e820_find_active_region(const struct e820entry *ei,
                                          unsigned long start_pfn,
-                                         unsigned long end_pfn,
+                                         unsigned long last_pfn,
                                          unsigned long *ei_startpfn,
                                          unsigned long *ei_endpfn)
 {
@@ -146,14 +146,14 @@ static int __init e820_find_active_region(const struct e820entry *ei,
 
        /* Skip if map is outside the node */
        if (ei->type != E820_RAM || *ei_endpfn <= start_pfn ||
-                                   *ei_startpfn >= end_pfn)
+                                   *ei_startpfn >= last_pfn)
                return 0;
 
        /* Check for overlaps */
        if (*ei_startpfn < start_pfn)
                *ei_startpfn = start_pfn;
-       if (*ei_endpfn > end_pfn)
-               *ei_endpfn = end_pfn;
+       if (*ei_endpfn > last_pfn)
+               *ei_endpfn = last_pfn;
 
        /* Obey end_user_pfn to save on memmap */
        if (*ei_startpfn >= end_user_pfn)
@@ -167,7 +167,7 @@ static int __init e820_find_active_region(const struct e820entry *ei,
 /* Walk the e820 map and register active regions within a node */
 void __init
 e820_register_active_regions(int nid, unsigned long start_pfn,
-                                                       unsigned long end_pfn)
+                                                       unsigned long last_pfn)
 {
        unsigned long ei_startpfn;
        unsigned long ei_endpfn;
@@ -175,7 +175,7 @@ e820_register_active_regions(int nid, unsigned long start_pfn,
 
        for (i = 0; i < e820.nr_map; i++)
                if (e820_find_active_region(&e820.map[i],
-                                           start_pfn, end_pfn,
+                                           start_pfn, last_pfn,
                                            &ei_startpfn, &ei_endpfn))
                        add_active_range(nid, ei_startpfn, ei_endpfn);
 }
@@ -188,13 +188,13 @@ e820_register_active_regions(int nid, unsigned long start_pfn,
 unsigned long __init e820_hole_size(unsigned long start, unsigned long end)
 {
        unsigned long start_pfn = start >> PAGE_SHIFT;
-       unsigned long end_pfn = end >> PAGE_SHIFT;
+       unsigned long last_pfn = end >> PAGE_SHIFT;
        unsigned long ei_startpfn, ei_endpfn, ram = 0;
        int i;
 
        for (i = 0; i < e820.nr_map; i++) {
                if (e820_find_active_region(&e820.map[i],
-                                           start_pfn, end_pfn,
+                                           start_pfn, last_pfn,
                                            &ei_startpfn, &ei_endpfn))
                        ram += ei_endpfn - ei_startpfn;
        }