diff options
Diffstat (limited to 'mm/swapfile.c')
| -rw-r--r-- | mm/swapfile.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/mm/swapfile.c b/mm/swapfile.c index 4c524f7..8798b2e 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -843,16 +843,13 @@ void swap_free(swp_entry_t entry) /* * Called after dropping swapcache to decrease refcnt to swap entries. */ -void swapcache_free(swp_entry_t entry, struct page *page) +void swapcache_free(swp_entry_t entry) { struct swap_info_struct *p; - unsigned char count; p = swap_info_get(entry); if (p) { - count = swap_entry_free(p, entry, SWAP_HAS_CACHE); - if (page) - mem_cgroup_uncharge_swapcache(page, entry, count != 0); + swap_entry_free(p, entry, SWAP_HAS_CACHE); spin_unlock(&p->lock); } } @@ -1106,15 +1103,14 @@ static int unuse_pte(struct vm_area_struct *vma, pmd_t *pmd, if (unlikely(!page)) return -ENOMEM; - if (mem_cgroup_try_charge_swapin(vma->vm_mm, page, - GFP_KERNEL, &memcg)) { + if (mem_cgroup_try_charge(page, vma->vm_mm, GFP_KERNEL, &memcg)) { ret = -ENOMEM; goto out_nolock; } pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl); if (unlikely(!maybe_same_pte(*pte, swp_entry_to_pte(entry)))) { - mem_cgroup_cancel_charge_swapin(memcg); + mem_cgroup_cancel_charge(page, memcg); ret = 0; goto out; } @@ -1124,11 +1120,14 @@ static int unuse_pte(struct vm_area_struct *vma, pmd_t *pmd, get_page(page); set_pte_at(vma->vm_mm, addr, pte, pte_mkold(mk_pte(page, vma->vm_page_prot))); - if (page == swapcache) + if (page == swapcache) { page_add_anon_rmap(page, vma, addr); - else /* ksm created a completely new copy */ + mem_cgroup_commit_charge(page, memcg, true); + } else { /* ksm created a completely new copy */ page_add_new_anon_rmap(page, vma, addr); - mem_cgroup_commit_charge_swapin(page, memcg); + mem_cgroup_commit_charge(page, memcg, false); + lru_cache_add_active_or_unevictable(page, vma); + } swap_free(entry); /* * Move the page to the active list so it is not |
