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-rw-r--r--arch/powerpc/include/asm/pgtable-ppc64.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h
index 0182c203e411..e3d55f6f24fe 100644
--- a/arch/powerpc/include/asm/pgtable-ppc64.h
+++ b/arch/powerpc/include/asm/pgtable-ppc64.h
@@ -167,8 +167,7 @@
167 * Find an entry in a page-table-directory. We combine the address region 167 * Find an entry in a page-table-directory. We combine the address region
168 * (the high order N bits) and the pgd portion of the address. 168 * (the high order N bits) and the pgd portion of the address.
169 */ 169 */
170/* to avoid overflow in free_pgtables we don't use PTRS_PER_PGD here */ 170#define pgd_index(address) (((address) >> (PGDIR_SHIFT)) & (PTRS_PER_PGD - 1))
171#define pgd_index(address) (((address) >> (PGDIR_SHIFT)) & 0x1ff)
172 171
173#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) 172#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address))
174 173