4 files changed, 20 insertions, 0 deletions

diff --git a/include/asm-s390/kvm_host.h b/include/asm-s390/kvm_host.h
index f8204a4f2e02..18cbd8a39796 100644
--- a/include/asm-s390/kvm_host.h
+++ b/include/asm-s390/kvm_host.h
@@ -104,6 +104,7 @@ struct sie_block {
 
 struct kvm_vcpu_stat {
         u32 exit_userspace;
+        u32 exit_null;
         u32 exit_external_request;
         u32 exit_external_interrupt;
         u32 exit_stop_request;
diff --git a/include/asm-s390/page.h b/include/asm-s390/page.h
index f0f4579eac13..12fd9c4f0f15 100644
--- a/include/asm-s390/page.h
+++ b/include/asm-s390/page.h
@@ -125,6 +125,17 @@ page_get_storage_key(unsigned long addr)
         return skey;
 }
 
+#ifdef CONFIG_PAGE_STATES
+
+struct page;
+void arch_free_page(struct page *page, int order);
+void arch_alloc_page(struct page *page, int order);
+
+#define HAVE_ARCH_FREE_PAGE
+#define HAVE_ARCH_ALLOC_PAGE
+
+#endif
+
 #endif /* !__ASSEMBLY__ */
 
 /* to align the pointer to the (next) page boundary */
diff --git a/include/asm-s390/ptrace.h b/include/asm-s390/ptrace.h
index 441d7c260857..d7d4e2eb3e6f 100644
--- a/include/asm-s390/ptrace.h
+++ b/include/asm-s390/ptrace.h
@@ -471,6 +471,8 @@ struct task_struct;
 extern void user_enable_single_step(struct task_struct *);
 extern void user_disable_single_step(struct task_struct *);
 
+#define __ARCH_WANT_COMPAT_SYS_PTRACE
+
 #define user_mode(regs) (((regs)->psw.mask & PSW_MASK_PSTATE) != 0)
 #define instruction_pointer(regs) ((regs)->psw.addr & PSW_ADDR_INSN)
 #define regs_return_value(regs)((regs)->gprs[2])
diff --git a/include/asm-s390/system.h b/include/asm-s390/system.h
index c819ae25a842..e0d4500d5f95 100644
--- a/include/asm-s390/system.h
+++ b/include/asm-s390/system.h
@@ -116,6 +116,12 @@ extern void pfault_fini(void);
 #define pfault_fini()           do { } while (0)
 #endif /* CONFIG_PFAULT */
 
+#ifdef CONFIG_PAGE_STATES
+extern void cmma_init(void);
+#else
+static inline void cmma_init(void) { }
+#endif
+
 #define finish_arch_switch(prev) do {                                        \
         set_fs(current->thread.mm_segment);                                  \
         account_vtime(prev);                                                 \