diff options
Diffstat (limited to 'mm/huge_memory.c')
| -rw-r--r-- | mm/huge_memory.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 269b5df58543..003f7bcd0952 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -39,10 +39,10 @@ #include "internal.h" /* - * By default transparent hugepage support is disabled in order that avoid - * to risk increase the memory footprint of applications without a guaranteed - * benefit. When transparent hugepage support is enabled, is for all mappings, - * and khugepaged scans all mappings. + * By default, transparent hugepage support is disabled in order to avoid + * risking an increased memory footprint for applications that are not + * guaranteed to benefit from it. When transparent hugepage support is + * enabled, it is for all mappings, and khugepaged scans all mappings. * Defrag is invoked by khugepaged hugepage allocations and by page faults * for all hugepage allocations. */ @@ -941,6 +941,9 @@ int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm, pmd = pmd_swp_mksoft_dirty(pmd); set_pmd_at(src_mm, addr, src_pmd, pmd); } + add_mm_counter(dst_mm, MM_ANONPAGES, HPAGE_PMD_NR); + atomic_long_inc(&dst_mm->nr_ptes); + pgtable_trans_huge_deposit(dst_mm, dst_pmd, pgtable); set_pmd_at(dst_mm, addr, dst_pmd, pmd); ret = 0; goto out_unlock; @@ -2715,7 +2718,7 @@ static unsigned long deferred_split_count(struct shrinker *shrink, struct shrink_control *sc) { struct pglist_data *pgdata = NODE_DATA(sc->nid); - return ACCESS_ONCE(pgdata->split_queue_len); + return READ_ONCE(pgdata->split_queue_len); } static unsigned long deferred_split_scan(struct shrinker *shrink, |