On Mon, Apr 18, 2022 at 05:22:40PM +0900, Tetsuo Handa wrote: >On 2022/04/18 15:29, Bo Xu wrote: >> Hi, Yang >> >> ?????? From the messages you provided, there are not much free pages. >> ?????? I guess the page alloc is happing in Node 0 with zone >> ?????? Normal.But in zone Normal free mem is lower than low mem,so >> ?????? there are some memory pressure is your machine.But now i have >> ?????? no idea why page recliam or others did not make effect. >> > >The kernel says that it was a GFP_NOWAIT allocation request, which does not >wait for page reclaim or others. > > java: page allocation failure: order:0, mode:0x400000(GFP_NOWAIT), nodemask=(null),cpuset=/,mems_allowed=0 > CPU: 6 PID: 7121 Comm: java Kdump: loaded Not tainted 4.19.95-29 #1 > >Question is why it was a GFP_NOWAIT allocation request. Try installing debuginfo kernel >package and decoding exact call traces (filenames and lines) using scripts/faddr2line . Thanks, let me have a try. -- Wei Yang Help you, Help me
