diff options
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/kernel/setup.c | 9 | ||||
| -rw-r--r-- | arch/s390/kernel/syscalls/syscall.tbl | 2 | ||||
| -rw-r--r-- | arch/s390/mm/fault.c | 2 | ||||
| -rw-r--r-- | arch/s390/mm/init.c | 2 |
4 files changed, 10 insertions, 5 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index fe14beb338e5..5a01872f5984 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -677,8 +677,9 @@ static void __init reserve_crashkernel(void) return; } low = crash_base ?: low; - crash_base = memblock_find_in_range(low, high, crash_size, - KEXEC_CRASH_MEM_ALIGN); + crash_base = memblock_phys_alloc_range(crash_size, + KEXEC_CRASH_MEM_ALIGN, + low, high); } if (!crash_base) { @@ -687,8 +688,10 @@ static void __init reserve_crashkernel(void) return; } - if (register_memory_notifier(&kdump_mem_nb)) + if (register_memory_notifier(&kdump_mem_nb)) { + memblock_free(crash_base, crash_size); return; + } if (!oldmem_data.start && MACHINE_IS_VM) diag10_range(PFN_DOWN(crash_base), PFN_DOWN(crash_size)); diff --git a/arch/s390/kernel/syscalls/syscall.tbl b/arch/s390/kernel/syscalls/syscall.tbl index aa705e1bd0dc..aa9d68b8ee14 100644 --- a/arch/s390/kernel/syscalls/syscall.tbl +++ b/arch/s390/kernel/syscalls/syscall.tbl @@ -449,3 +449,5 @@ 444 common landlock_create_ruleset sys_landlock_create_ruleset sys_landlock_create_ruleset 445 common landlock_add_rule sys_landlock_add_rule sys_landlock_add_rule 446 common landlock_restrict_self sys_landlock_restrict_self sys_landlock_restrict_self +# 447 reserved for memfd_secret +448 common process_mrelease sys_process_mrelease sys_process_mrelease diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 212632d57db9..a834e4672f72 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -822,7 +822,7 @@ void do_secure_storage_access(struct pt_regs *regs) break; case KERNEL_FAULT: page = phys_to_page(addr); - if (unlikely(!try_get_page(page))) + if (unlikely(!try_get_compound_head(page, 1))) break; rc = arch_make_page_accessible(page); put_page(page); diff --git a/arch/s390/mm/init.c b/arch/s390/mm/init.c index f3db3caa8447..f14e7e61cd8e 100644 --- a/arch/s390/mm/init.c +++ b/arch/s390/mm/init.c @@ -187,9 +187,9 @@ static void pv_init(void) return; /* make sure bounce buffers are shared */ + swiotlb_force = SWIOTLB_FORCE; swiotlb_init(1); swiotlb_update_mem_attributes(); - swiotlb_force = SWIOTLB_FORCE; } void __init mem_init(void) |