[PATCH 7/8] mm: implement page cache reclaim speed

From: Xishi Qiu
Date: Mon Jun 16 2014 - 05:27:52 EST


The parameter vm_cache_reclaim_weight means every time we expect to
reclaim SWAP_CLUSTER_MAX * vm_cache_reclaim_weight pages.

Signed-off-by: Xishi Qiu <qiuxishi@xxxxxxxxxx>
---
mm/vmscan.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/mm/vmscan.c b/mm/vmscan.c
index d179be6..23b808a 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -3430,7 +3430,7 @@ static unsigned long __shrink_page_cache(gfp_t mask)
struct scan_control sc = {
.gfp_mask = (mask = memalloc_noio_flags(mask)),
.may_writepage = !laptop_mode,
- .nr_to_reclaim = SWAP_CLUSTER_MAX,
+ .nr_to_reclaim = SWAP_CLUSTER_MAX * vm_cache_reclaim_weight,
.may_unmap = 1,
.may_swap = 1,
.order = 0,
--
1.6.0.2


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