[RFC PATCH 1/9] mm: do not add anon pages to LRU

[Aaron Lu]

For the sake of testing purpose, do not add anon pages to LRU to
avoid LRU lock so we can test zone lock exclusively.

Signed-off-by: Aaron Lu <aaron.lu@xxxxxxxxx>
---
 mm/memory.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memory.c b/mm/memory.c
index c467102a5cbc..080641255b8b 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -3208,7 +3208,7 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
 	inc_mm_counter_fast(vma->vm_mm, MM_ANONPAGES);
 	page_add_new_anon_rmap(page, vma, vmf->address, false);
 	mem_cgroup_commit_charge(page, memcg, false, false);
-	lru_cache_add_active_or_unevictable(page, vma);
+	//lru_cache_add_active_or_unevictable(page, vma);
 setpte:
 	set_pte_at(vma->vm_mm, vmf->address, vmf->pte, entry);
 
-- 
2.17.1