X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fi386%2Fkernel%2Fsetup.c;h=27c956db0461508f1d0e64d108d47990e3709d9d;hb=90bf8116641d6c9fb6f88329634341f9a0f429c6;hp=9b8c8a19824de64c9a308177e11f55df3974099c;hpb=bfab08c097df5f6a60dd07f0f8c78c54e725780b;p=linux-2.6-omap-h63xx.git

diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 9b8c8a19824..27c956db046 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -129,9 +129,7 @@ struct drive_info_struct { char dummy[32]; } drive_info;
 EXPORT_SYMBOL(drive_info);
 #endif
 struct screen_info screen_info;
-#ifdef CONFIG_VT
 EXPORT_SYMBOL(screen_info);
-#endif
 struct apm_info apm_info;
 EXPORT_SYMBOL(apm_info);
 struct sys_desc_table_struct {
@@ -389,14 +387,24 @@ static void __init limit_regions(unsigned long long size)
 		}
 	}
 	for (i = 0; i < e820.nr_map; i++) {
-		if (e820.map[i].type == E820_RAM) {
-			current_addr = e820.map[i].addr + e820.map[i].size;
-			if (current_addr >= size) {
-				e820.map[i].size -= current_addr-size;
-				e820.nr_map = i + 1;
-				return;
-			}
+		current_addr = e820.map[i].addr + e820.map[i].size;
+		if (current_addr < size)
+			continue;
+
+		if (e820.map[i].type != E820_RAM)
+			continue;
+
+		if (e820.map[i].addr >= size) {
+			/*
+			 * This region starts past the end of the
+			 * requested size, skip it completely.
+			 */
+			e820.nr_map = i;
+		} else {
+			e820.nr_map = i + 1;
+			e820.map[i].size -= current_addr - size;
 		}
+		return;
 	}
 }
 
@@ -946,6 +954,12 @@ efi_find_max_pfn(unsigned long start, unsigned long end, void *arg)
 	return 0;
 }
 
+static int __init
+efi_memory_present_wrapper(unsigned long start, unsigned long end, void *arg)
+{
+	memory_present(0, start, end);
+	return 0;
+}
 
 /*
  * Find the highest page frame number we have available
@@ -957,6 +971,7 @@ void __init find_max_pfn(void)
 	max_pfn = 0;
 	if (efi_enabled) {
 		efi_memmap_walk(efi_find_max_pfn, &max_pfn);
+		efi_memmap_walk(efi_memory_present_wrapper, NULL);
 		return;
 	}
 
@@ -971,6 +986,7 @@ void __init find_max_pfn(void)
 			continue;
 		if (end > max_pfn)
 			max_pfn = end;
+		memory_present(0, start, end);
 	}
 }