Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
  powerpc: Use generic compat_sys_old_readdir
  powerpc/kexec: Fix up KEXEC_CONTROL_CODE_SIZE missed during conversion
  powerpc: Remove dead module_find_bug code
  powerpc: Add CMO enabled flag and paging space data to lparcfg
  powerpc: Fix CMM page loaning on 64k page kernel with 4k hardware pages
  powerpc: Make CMO paging space pool ID and page size available
  powerpc: Fix lockdep IRQ tracing bug
  powerpc: Fix TLB invalidation on boot on 32-bit
  powerpc: Fix loss of vdso on fork on 32-bit

1 files changed, 25 insertions, 2 deletions

diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h
index a437267c6bf..d967c1893ab 100644
--- a/arch/powerpc/platforms/pseries/plpar_wrappers.h
+++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h
@@ -2,6 +2,7 @@
 #define _PSERIES_PLPAR_WRAPPERS_H
 
 #include <asm/hvcall.h>
+#include <asm/page.h>
 
 static inline long poll_pending(void)
 {
@@ -44,12 +45,34 @@ static inline long register_slb_shadow(unsigned long cpu, unsigned long vpa)
 
 static inline long plpar_page_set_loaned(unsigned long vpa)
 {
-        return plpar_hcall_norets(H_PAGE_INIT, H_PAGE_SET_LOANED, vpa, 0);
+        unsigned long cmo_page_sz = cmo_get_page_size();
+        long rc = 0;
+        int i;
+
+        for (i = 0; !rc && i < PAGE_SIZE; i += cmo_page_sz)
+                rc = plpar_hcall_norets(H_PAGE_INIT, H_PAGE_SET_LOANED, vpa + i, 0);
+
+        for (i -= cmo_page_sz; rc && i != 0; i -= cmo_page_sz)
+                plpar_hcall_norets(H_PAGE_INIT, H_PAGE_SET_ACTIVE,
+                                   vpa + i - cmo_page_sz, 0);
+
+        return rc;
 }
 
 static inline long plpar_page_set_active(unsigned long vpa)
 {
-        return plpar_hcall_norets(H_PAGE_INIT, H_PAGE_SET_ACTIVE, vpa, 0);
+        unsigned long cmo_page_sz = cmo_get_page_size();
+        long rc = 0;
+        int i;
+
+        for (i = 0; !rc && i < PAGE_SIZE; i += cmo_page_sz)
+                rc = plpar_hcall_norets(H_PAGE_INIT, H_PAGE_SET_ACTIVE, vpa + i, 0);
+
+        for (i -= cmo_page_sz; rc && i != 0; i -= cmo_page_sz)
+                plpar_hcall_norets(H_PAGE_INIT, H_PAGE_SET_LOANED,
+                                   vpa + i - cmo_page_sz, 0);
+
+        return rc;
 }
 
 extern void vpa_init(int cpu);