X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=mm%2Fswapfile.c;h=8798b2e0ac594a21e9ab624b7ce9373172eb12ae;hb=3e0629cb6c0518423c9e2671bbe8ec15dde5dcaf;hp=4c524f7bd0bfe69c23e2b28a13cad902ee3ac292;hpb=d1c46ef85831ec6b23801a62600bcfdccfac6759;p=cascardo%2Flinux.git

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 4c524f7bd0bf..8798b2e0ac59 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