x86, mm: setup page table in top-down

[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / x86 / kernel / setup.c

diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 94f922a..f763409 100644 (file)
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -124,6 +124,7 @@
  */
 unsigned long max_low_pfn_mapped;
 unsigned long max_pfn_mapped;
+unsigned long min_pfn_mapped;
 
 #ifdef CONFIG_DMI
 RESERVE_BRK(dmi_alloc, 65536);
@@ -900,6 +901,8 @@ void __init setup_arch(char **cmdline_p)
 
        reserve_ibft_region();
 
+       early_alloc_pgt_buf();
+
        /*
         * Need to conclude brk, before memblock_x86_fill()
         *  it could use memblock_find_in_range, could overlap with