diff options
Diffstat (limited to 'mm/hmm.c')
| -rw-r--r-- | mm/hmm.c | 18 |
1 files changed, 8 insertions, 10 deletions
@@ -456,13 +456,10 @@ static inline uint64_t pmd_to_hmm_pfn_flags(struct hmm_range *range, pmd_t pmd) range->flags[HMM_PFN_VALID]; } -static int hmm_vma_handle_pmd(struct mm_walk *walk, - unsigned long addr, - unsigned long end, - uint64_t *pfns, - pmd_t pmd) -{ #ifdef CONFIG_TRANSPARENT_HUGEPAGE +static int hmm_vma_handle_pmd(struct mm_walk *walk, unsigned long addr, + unsigned long end, uint64_t *pfns, pmd_t pmd) +{ struct hmm_vma_walk *hmm_vma_walk = walk->private; struct hmm_range *range = hmm_vma_walk->range; unsigned long pfn, npages, i; @@ -493,11 +490,12 @@ static int hmm_vma_handle_pmd(struct mm_walk *walk, } hmm_vma_walk->last = end; return 0; -#else - /* If THP is not enabled then we should never reach this code ! */ - return -EINVAL; -#endif } +#else /* CONFIG_TRANSPARENT_HUGEPAGE */ +/* stub to allow the code below to compile */ +int hmm_vma_handle_pmd(struct mm_walk *walk, unsigned long addr, + unsigned long end, uint64_t *pfns, pmd_t pmd); +#endif /* CONFIG_TRANSPARENT_HUGEPAGE */ static inline uint64_t pte_to_hmm_pfn_flags(struct hmm_range *range, pte_t pte) { |