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

* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
  serial: Add 16850 uart type support to OF uart driver
  hvc_console: Remove tty->low_latency
  powerpc: Get the number of SLBs from "slb-size" property
  powerpc: is_hugepage_only_range() must account for both 4kB and 64kB slices
  powerpc/ps3: printing fixups for l64 to ll64 conversion drivers/video
  powerpc/ps3: Printing fixups for l64 to ll64 conversion drivers/scsi
  powerpc/ps3: Printing fixups for l64 to ll64 conversion drivers/ps3
  powerpc/ps3: Printing fixups for l64 to ll64 conversion sound/ppc
  powerpc/ps3: Printing fixups for l64 to ll64 conversion drivers/char
  powerpc/ps3: Printing fixups for l64 to ll64 conversion drivers/block
  powerpc/ps3: Printing fixups for l64 to ll64 conversion arch/powerpc
  powerpc/ps3: ps3_repository_read_mm_info() takes u64 * arguments
  powerpc/ps3: clear_bit()/set_bit() operate on unsigned longs
  powerpc/ps3: The lv1_ routines have u64 parameters
  powerpc/ps3: Use dma_addr_t down through the stack
  powerpc/ps3: set_dabr() takes an unsigned long
  powerpc: Cleanup from l64 to ll64 change drivers/scsi

1 files changed, 10 insertions, 1 deletions

diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c
index db44e02e045b..ba5194817f8a 100644
--- a/arch/powerpc/mm/slice.c
+++ b/arch/powerpc/mm/slice.c
@@ -710,9 +710,18 @@ int is_hugepage_only_range(struct mm_struct *mm, unsigned long addr,
                            unsigned long len)
 {
         struct slice_mask mask, available;
+        unsigned int psize = mm->context.user_psize;
 
         mask = slice_range_to_mask(addr, len);
-        available = slice_mask_for_size(mm, mm->context.user_psize);
+        available = slice_mask_for_size(mm, psize);
+#ifdef CONFIG_PPC_64K_PAGES
+        /* We need to account for 4k slices too */
+        if (psize == MMU_PAGE_64K) {
+                struct slice_mask compat_mask;
+                compat_mask = slice_mask_for_size(mm, MMU_PAGE_4K);
+                or_mask(available, compat_mask);
+        }
+#endif
 
 #if 0 /* too verbose */
         slice_dbg("is_hugepage_only_range(mm=%p, addr=%lx, len=%lx)\n",