aboutsummaryrefslogtreecommitdiffstats
path: root/arch/x86/kernel/e820.c
diff options
context:
space:
mode:
authorH. Peter Anvin <hpa@zytor.com>2010-02-10 19:55:28 -0500
committerH. Peter Anvin <hpa@zytor.com>2010-02-10 19:55:28 -0500
commit84abd88a70090cf00f9e45c3a81680874f17626e (patch)
tree4f58b80057f6e1f5817af1dc33a5458b3dfc9a99 /arch/x86/kernel/e820.c
parent13ca0fcaa33f6b1984c4111b6ec5df42689fea6f (diff)
parente28cab42f384745c8a947a9ccd51e4aae52f5d51 (diff)
Merge remote branch 'linus/master' into x86/bootmem
Diffstat (limited to 'arch/x86/kernel/e820.c')
-rw-r--r--arch/x86/kernel/e820.c13
1 files changed, 11 insertions, 2 deletions
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);
732/* 732/*
733 * Early reserved memory areas. 733 * Early reserved memory areas.
734 */ 734 */
735#define MAX_EARLY_RES 20 735#define MAX_EARLY_RES 32
736 736
737struct early_res { 737struct early_res {
738 u64 start, end; 738 u64 start, end;
@@ -740,7 +740,16 @@ struct early_res {
740 char overlap_ok; 740 char overlap_ok;
741}; 741};
742static struct early_res early_res[MAX_EARLY_RES] __initdata = { 742static struct early_res early_res[MAX_EARLY_RES] __initdata = {
743 { 0, PAGE_SIZE, "BIOS data page" }, /* BIOS data page */ 743 { 0, PAGE_SIZE, "BIOS data page", 1 }, /* BIOS data page */
744#if defined(CONFIG_X86_32) && defined(CONFIG_X86_TRAMPOLINE)
745 /*
746 * But first pinch a few for the stack/trampoline stuff
747 * FIXME: Don't need the extra page at 4K, but need to fix
748 * trampoline before removing it. (see the GDT stuff)
749 */
750 { PAGE_SIZE, PAGE_SIZE + PAGE_SIZE, "EX TRAMPOLINE", 1 },
751#endif
752
744 {} 753 {}
745}; 754};
746 755