Hi Matthew, On Sat, Jul 4, 2020 at 2:37 PM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > > On Sat, Jul 04, 2020 at 01:21:05AM -0600, Chris Murphy wrote: > > Hi, > > > > This seems to be a one off - I'm not even sure what was happening at > > the time. Possibly running a qemu-kvm VM. > > > > 5.8.0-0.rc3.1.fc33.x86_64+debug > > i7-2820QM > > MemTotal: 8021304 kB > > $ swapon > > NAME TYPE SIZE USED PRIO > > /dev/sda5 partition 10.4G 0B -2 > > /dev/zram0 partition 3.8G 9M 100 > > $ zramctl > > NAME ALGORITHM DISKSIZE DATA COMPR TOTAL STREAMS MOUNTPOINT > > /dev/zram0 lzo-rle 3.8G 7.8M 2.3M 4.5M 8 [SWAP] > > > > > > > > > > [126841.385050] swapper/2: page allocation failure: order:0, > > mode:0x40810(GFP_NOWAIT|__GFP_COMP|__GFP_RECLAIMABLE), > > This is one for Dan; he decided to use GFP_NOWAIT in commit > 0abdd7a81b7e3fd781d7fabcca49501852bba17e Why is that a problem? Unless I am missing something, there's plenty of free pages available for the slab allocation: > > [126841.385277] Node 0 Normal: 366*4kB (UME) 413*8kB (UME) 76*16kB > > (UME) 18*32kB (UME) 20*64kB (UME) 16*128kB (UME) 10*256kB (UME) > > 8*512kB (ME) 5*1024kB (UE) 2*2048kB (UM) 6*4096kB (M) = 50336kB
