[PATCH] uml: fix static binary segfault

[powerpc.git] / arch / um / kernel / um_arch.c

diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index a50a0aa..7896cf9 100644 (file)
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -330,6 +330,8 @@ EXPORT_SYMBOL(end_iomem);
 
 #define MIN_VMALLOC (32 * 1024 * 1024)
 
+extern char __binary_start;
+
 int linux_main(int argc, char **argv)
 {
        unsigned long avail, diff;
@@ -374,8 +376,9 @@ int linux_main(int argc, char **argv)
 
        printf("UML running in %s mode\n", mode);
 
-       uml_start = CHOOSE_MODE_PROC(set_task_sizes_tt, set_task_sizes_skas,
-                                    &host_task_size, &task_size);
+       uml_start = (unsigned long) &__binary_start;
+       host_task_size = CHOOSE_MODE_PROC(set_task_sizes_tt,
+                                         set_task_sizes_skas, &task_size);
 
        /*
         * Setting up handlers to 'sig_info' struct
@@ -395,7 +398,7 @@ int linux_main(int argc, char **argv)
                physmem_size += UML_ROUND_UP(brk_start) - UML_ROUND_UP(&_end);
        }
 
-       uml_physmem = uml_start;
+       uml_physmem = uml_start & PAGE_MASK;
 
        /* Reserve up to 4M after the current brk */
        uml_reserved = ROUND_4M(brk_start) + (1 << 22);