Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

[linux-2.6-block.git] / arch / s390 / mm / pgtable.c

diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index be99357d238c68e34dee133c52053e23c88a34d4..3cf8cc03fff60d7a59e7b23f4e92d477061a5f42 100644 (file)
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -322,11 +322,12 @@ static int gmap_alloc_table(struct gmap *gmap, unsigned long *table,
 static unsigned long __gmap_segment_gaddr(unsigned long *entry)
 {
        struct page *page;
-       unsigned long offset;
+       unsigned long offset, mask;
 
        offset = (unsigned long) entry / sizeof(unsigned long);
        offset = (offset & (PTRS_PER_PMD - 1)) * PMD_SIZE;
-       page = pmd_to_page((pmd_t *) entry);
+       mask = ~(PTRS_PER_PMD * sizeof(pmd_t) - 1);
+       page = virt_to_page((void *)((unsigned long) entry & mask));
        return page->index + offset;
 }