@@ -4718,7 +4718,8 @@ static int __node_reclaim(struct pglist_data *pgdat, gfp_t gfp_mask, unsigned in
noreclaim_flag = memalloc_noreclaim_save();
set_task_reclaim_state(p, &sc.reclaim_state);
- if (node_pagecache_reclaimable(pgdat) > pgdat->min_unmapped_pages) {
+ if (node_pagecache_reclaimable(pgdat) > pgdat->min_unmapped_pages ||
+ node_page_state_pages(pgdat, NR_SLAB_RECLAIMABLE_B) > pgdat->min_slab_pages) {
/*
* Free memory by calling shrink node with increasing
* priorities until we have enough memory freed.
Since commit 6b4f7799c6a5 ("mm: vmscan: invoke slab shrinkers from shrink_zone()"), slab reclaim and lru page reclaim are done together in the shrink_node. So we should take min_slab_pages into account when try to call shrink_node. Signed-off-by: Miaohe Lin <linmiaohe@huawei.com> Cc: Huang Ying <ying.huang@intel.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Johannes Weiner <hannes@cmpxchg.org> --- v3: This patch is pending verifying. Split it out to make it easier to move forward. --- mm/vmscan.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)