x86: Make 32bit support NO_BOOTMEM
Let's make 32bit consistent with 64bit.
-v2: Andrew pointed out for 32bit that we should use -1ULL
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <1265793639-15071-25-git-send-email-yinghai@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
diff --git a/arch/x86/kernel/early_res.c b/arch/x86/kernel/early_res.c
index dbf08bd..656cdf8 100644
--- a/arch/x86/kernel/early_res.c
+++ b/arch/x86/kernel/early_res.c
@@ -354,6 +354,9 @@
/* need to go over early_node_map to find out good range for node */
nr_range = add_from_early_node_map(range, count, nr_range, nodeid);
+#ifdef CONFIG_X86_32
+ subtract_range(range, count, max_low_pfn, -1ULL);
+#endif
subtract_early_res(range, count);
nr_range = clean_sort_range(range, count);