diff options
Diffstat (limited to 'arch/s390/kernel/setup.c')
| -rw-r--r-- | arch/s390/kernel/setup.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index fced022dc58d..863c8d08c026 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -690,9 +690,14 @@ setup_memory(void) psw_set_key(PAGE_DEFAULT_KEY); free_bootmem_with_active_regions(0, max_pfn); - reserve_bootmem(0, PFN_PHYS(start_pfn)); /* + * Reserve memory used for lowcore/command line/kernel image. + */ + reserve_bootmem(0, (unsigned long)_ehead); + reserve_bootmem((unsigned long)_stext, + PFN_PHYS(start_pfn) - (unsigned long)_stext); + /* * Reserve the bootmem bitmap itself as well. We do this in two * steps (first step was init_bootmem()) because this catches * the (very unlikely) case of us accidentally initializing the |