> ---
> mm/vmscan.c | 2 ++
> 1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/mm/vmscan.c b/mm/vmscan.c
> index a90c603..39d3da3 100644
> --- a/mm/vmscan.c
> +++ b/mm/vmscan.c
> @@ -831,6 +831,8 @@ static unsigned long shrink_page_list(struct list_head *page_list,
> * Try to allocate it some swap space here.l
> */
> if (PageAnon(page) && !PageSwapCache(page)) {
> + if (priority >= DEF_PRIORITY - 2)
> + goto keep_locked;
> if (!(sc->gfp_mask & __GFP_IO))
> goto keep_locked;
> if (!add_to_swap(page))
Hehe, i tried very similar way very long time ago. Unfortunately, it doesn't work.
"DEF_PRIORITY - 2" is really poor indicator for reclaim pressure. example, if the
machine have 1TB memory, DEF_PRIORITY-2 mean 1TB>>10 = 1GB. It't too big.
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