s390/mm: use pmd_large() instead of pmd_huge()
authorGerald Schaefer <gerald.schaefer@de.ibm.com>
Thu, 25 Oct 2012 15:24:12 +0000 (17:24 +0200)
committerMartin Schwidefsky <schwidefsky@de.ibm.com>
Fri, 26 Oct 2012 14:44:23 +0000 (16:44 +0200)
Without CONFIG_HUGETLB_PAGE, pmd_huge() will always return 0. So
pmd_large() should be used instead in places where both transparent
huge pages and hugetlbfs pages can occur.

Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
arch/s390/lib/uaccess_pt.c
arch/s390/mm/gup.c

index 2d37bb8..9017a63 100644 (file)
@@ -39,7 +39,7 @@ static __always_inline unsigned long follow_table(struct mm_struct *mm,
        pmd = pmd_offset(pud, addr);
        if (pmd_none(*pmd))
                return -0x10UL;
-       if (pmd_huge(*pmd)) {
+       if (pmd_large(*pmd)) {
                if (write && (pmd_val(*pmd) & _SEGMENT_ENTRY_RO))
                        return -0x04UL;
                return (pmd_val(*pmd) & HPAGE_MASK) + (addr & ~HPAGE_MASK);
index 60acb93..8b82853 100644 (file)
@@ -126,7 +126,7 @@ static inline int gup_pmd_range(pud_t *pudp, pud_t pud, unsigned long addr,
                 */
                if (pmd_none(pmd) || pmd_trans_splitting(pmd))
                        return 0;
-               if (unlikely(pmd_huge(pmd))) {
+               if (unlikely(pmd_large(pmd))) {
                        if (!gup_huge_pmd(pmdp, pmd, addr, next,
                                          write, pages, nr))
                                return 0;