diff options
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index a2a2fda2bff8..05bf419513ad 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -1218,7 +1218,7 @@ static struct folio *vma_alloc_anon_folio_pmd(struct vm_area_struct *vma, return folio; } -static void map_anon_folio_pmd(struct folio *folio, pmd_t *pmd, +void map_anon_folio_pmd_nopf(struct folio *folio, pmd_t *pmd, struct vm_area_struct *vma, unsigned long haddr) { pmd_t entry; @@ -1229,11 +1229,17 @@ static void map_anon_folio_pmd(struct folio *folio, pmd_t *pmd, folio_add_lru_vma(folio, vma); set_pmd_at(vma->vm_mm, haddr, pmd, entry); update_mmu_cache_pmd(vma, haddr, pmd); + deferred_split_folio(folio, false); +} + +static void map_anon_folio_pmd_pf(struct folio *folio, pmd_t *pmd, + struct vm_area_struct *vma, unsigned long haddr) +{ + map_anon_folio_pmd_nopf(folio, pmd, vma, haddr); add_mm_counter(vma->vm_mm, MM_ANONPAGES, HPAGE_PMD_NR); count_vm_event(THP_FAULT_ALLOC); count_mthp_stat(HPAGE_PMD_ORDER, MTHP_STAT_ANON_FAULT_ALLOC); count_memcg_event_mm(vma->vm_mm, THP_FAULT_ALLOC); - deferred_split_folio(folio, false); } static vm_fault_t __do_huge_pmd_anonymous_page(struct vm_fault *vmf) @@ -1272,7 +1278,7 @@ static vm_fault_t __do_huge_pmd_anonymous_page(struct vm_fault *vmf) return ret; } pgtable_trans_huge_deposit(vma->vm_mm, vmf->pmd, pgtable); - map_anon_folio_pmd(folio, vmf->pmd, vma, haddr); + map_anon_folio_pmd_pf(folio, vmf->pmd, vma, haddr); mm_inc_nr_ptes(vma->vm_mm); spin_unlock(vmf->ptl); } @@ -1944,7 +1950,7 @@ static vm_fault_t do_huge_zero_wp_pmd(struct vm_fault *vmf) if (ret) goto release; (void)pmdp_huge_clear_flush(vma, haddr, vmf->pmd); - map_anon_folio_pmd(folio, vmf->pmd, vma, haddr); + map_anon_folio_pmd_pf(folio, vmf->pmd, vma, haddr); goto unlock; release: folio_put(folio); |