diff options
Diffstat (limited to 'arch/s390/kernel/machine_kexec.c')
| -rw-r--r-- | arch/s390/kernel/machine_kexec.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/arch/s390/kernel/machine_kexec.c b/arch/s390/kernel/machine_kexec.c index 0e64f08..078d38c 100644 --- a/arch/s390/kernel/machine_kexec.c +++ b/arch/s390/kernel/machine_kexec.c @@ -150,6 +150,19 @@ static int kdump_csum_valid(struct kimage *image) #ifdef CONFIG_CRASH_DUMP +void crash_free_reserved_phys_range(unsigned long begin, unsigned long end) +{ + unsigned long addr, size; + + for (addr = begin; addr < end; addr += PAGE_SIZE) + free_reserved_page(pfn_to_page(addr >> PAGE_SHIFT)); + size = begin - crashk_res.start; + if (size) + os_info_crashkernel_add(crashk_res.start, size); + else + os_info_crashkernel_add(0, 0); +} + /* * Map or unmap crashkernel memory */ @@ -161,13 +174,8 @@ static void crash_map_pages(int enable) size % KEXEC_CRASH_MEM_ALIGN); if (enable) vmem_add_mapping(crashk_res.start, size); - else { + else vmem_remove_mapping(crashk_res.start, size); - if (size) - os_info_crashkernel_add(crashk_res.start, size); - else - os_info_crashkernel_add(0, 0); - } } /* |