[PATCH] i386: show_registers(): try harder to print failing code

[powerpc.git] / arch / i386 / kernel / setup.c

diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 345ffb7..060c680 100644 (file)
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -53,6 +53,7 @@
 #include <asm/apic.h>
 #include <asm/e820.h>
 #include <asm/mpspec.h>
+#include <asm/mmzone.h>
 #include <asm/setup.h>
 #include <asm/arch_hooks.h>
 #include <asm/sections.h>
@@ -956,6 +957,38 @@ efi_memory_present_wrapper(unsigned long start, unsigned long end, void *arg)
        return 0;
 }
 
+ /*
+  * This function checks if the entire range <start,end> is mapped with type.
+  *
+  * Note: this function only works correct if the e820 table is sorted and
+  * not-overlapping, which is the case
+  */
+int __init
+e820_all_mapped(unsigned long s, unsigned long e, unsigned type)
+{
+       u64 start = s;
+       u64 end = e;
+       int i;
+       for (i = 0; i < e820.nr_map; i++) {
+               struct e820entry *ei = &e820.map[i];
+               if (type && ei->type != type)
+                       continue;
+               /* is the region (part) in overlap with the current region ?*/
+               if (ei->addr >= end || ei->addr + ei->size <= start)
+                       continue;
+               /* if the region is at the beginning of <start,end> we move
+                * start to the end of the region since it's ok until there
+                */
+               if (ei->addr <= start)
+                       start = ei->addr + ei->size;
+               /* if start is now at or beyond end, we're done, full
+                * coverage */
+               if (start >= end)
+                       return 1; /* we're done */
+       }
+       return 0;
+}
+
 /*
  * Find the highest page frame number we have available
  */
@@ -1149,7 +1182,7 @@ static unsigned long __init setup_memory(void)
 
 void __init zone_sizes_init(void)
 {
-       unsigned long zones_size[MAX_NR_ZONES] = {0, 0, 0};
+       unsigned long zones_size[MAX_NR_ZONES] = { 0, };
        unsigned int max_dma, low;
 
        max_dma = virt_to_phys((char *)MAX_DMA_ADDRESS) >> PAGE_SHIFT;
@@ -1226,7 +1259,7 @@ void __init setup_bootmem_allocator(void)
         */
        find_smp_config();
 #endif
-
+       numa_kva_reserve();
 #ifdef CONFIG_BLK_DEV_INITRD
        if (LOADER_TYPE && INITRD_START) {
                if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) {