On Fri, Mar 08, 2019 at 03:34:18PM +0800, wuzhouhui wrote:
> > -Original Messages-
> > From: "Greg KH"
> > Sent Time: 2019-03-08 15:21:52 (Friday)
> > To: wuzhouhui
> > Cc: kernelnewbies@kernelnewbies.org
> > Subject: Re: How to avoid or r
> -Original Messages-
> From: "Greg KH"
> Sent Time: 2019-03-08 15:21:52 (Friday)
> To: wuzhouhui
> Cc: kernelnewbies@kernelnewbies.org
> Subject: Re: How to avoid or reduce GFP_ATOMIC allocation failed
>
> On Fri, Mar 08, 2019 at 01:37:26PM +0800, w
On Fri, Mar 08, 2019 at 01:37:26PM +0800, wuzhouhui wrote:
> Hi,
>
> I check kernel code and found that GFP_ATOMIC allocation will
> use emergency pool and maybe failed if emergency pool is not
> enough. And GFP_ATOMIC doesn't trigger reclaim (because of
> ATOMIC) even if there are a lot of page c
