X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=arch%2Fx86%2Fkernel%2Fe820.c;h=a966b753e4961446863f9e4c114f8315cedff274;hb=84abd88a70090cf00f9e45c3a81680874f17626e;hp=230687ba5ba5fd0feb6a2fcdfffa9520eccc33b7;hpb=13ca0fcaa33f6b1984c4111b6ec5df42689fea6f;p=linux-2.6-block.git

diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 230687ba5ba5..a966b753e496 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -732,7 +732,7 @@ core_initcall(e820_mark_nvs_memory);
 /*
  * Early reserved memory areas.
  */
-#define MAX_EARLY_RES 20
+#define MAX_EARLY_RES 32
 
 struct early_res {
 	u64 start, end;
@@ -740,7 +740,16 @@ struct early_res {
 	char overlap_ok;
 };
 static struct early_res early_res[MAX_EARLY_RES] __initdata = {
-	{ 0, PAGE_SIZE, "BIOS data page" },	/* BIOS data page */
+	{ 0, PAGE_SIZE, "BIOS data page", 1 },	/* BIOS data page */
+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_TRAMPOLINE)
+	/*
+	 * But first pinch a few for the stack/trampoline stuff
+	 * FIXME: Don't need the extra page at 4K, but need to fix
+	 * trampoline before removing it. (see the GDT stuff)
+	 */
+	{ PAGE_SIZE, PAGE_SIZE + PAGE_SIZE, "EX TRAMPOLINE", 1 },
+#endif
+
 	{}
 };