Merge branch 'parisc-4.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller...

Pull parisc fix from Helge Deller:
 "A memory leak fix from Christophe Jaillet which was introduced with
  kernel 4.0 and which leads to kernel crashes on parisc after 1-3 days"

* 'parisc-4.2-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
  parisc: mm: Fix a memory leak related to pmd not attached to the pgd

diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h
index 3a08eae3318fe8da341a563613ae16e82e64912b..3edbb9fc91b4e055307d3c7519592a00201d988a 100644 (file)
--- a/arch/parisc/include/asm/pgalloc.h
+++ b/arch/parisc/include/asm/pgalloc.h
@@ -72,7 +72,7 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
 
 static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
 {
-       if(pmd_flag(*pmd) & PxD_FLAG_ATTACHED)
+       if (pmd_flag(*pmd) & PxD_FLAG_ATTACHED) {
                /*
                 * This is the permanent pmd attached to the pgd;
                 * cannot free it.
@@ -81,6 +81,7 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd)
                 */
                mm_inc_nr_pmds(mm);
                return;
+       }
        free_pages((unsigned long)pmd, PMD_ORDER);
 }