lguest: set max_pfn_mapped, growl loudly at Yinghai Lu

[cascardo/linux.git] / arch / x86 / lguest / boot.c

diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 0313a5e..d9249a8 100644 (file)
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -1014,6 +1014,9 @@ __init void lguest_init(void)
        init_pg_tables_start = __pa(pg0);
        init_pg_tables_end = __pa(pg0);
 
+       /* As described in head_32.S, we map the first 128M of memory. */
+       max_pfn_mapped = (128*1024*1024) >> PAGE_SHIFT;
+
        /* Load the %fs segment register (the per-cpu segment register) with
         * the normal data segment to get through booting. */
        asm volatile ("mov %0, %%fs" : : "r" (__KERNEL_DS) : "memory");