diff options
Diffstat (limited to 'include/asm-generic/4level-fixup.h')
| -rw-r--r-- | include/asm-generic/4level-fixup.h | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/include/asm-generic/4level-fixup.h b/include/asm-generic/4level-fixup.h index c20ec257ecc0..68c6fea994d9 100644 --- a/include/asm-generic/4level-fixup.h +++ b/include/asm-generic/4level-fixup.h @@ -10,14 +10,9 @@ #define pud_t pgd_t -#define pmd_alloc(mm, pud, address) \ -({ pmd_t *ret; \ - if (pgd_none(*pud)) \ - ret = __pmd_alloc(mm, pud, address); \ - else \ - ret = pmd_offset(pud, address); \ - ret; \ -}) +#define pmd_alloc(mm, pud, address) \ + ((unlikely(pgd_none(*(pud))) && __pmd_alloc(mm, pud, address))? \ + NULL: pmd_offset(pud, address)) #define pud_alloc(mm, pgd, address) (pgd) #define pud_offset(pgd, start) (pgd) |