On 6/13/18 9:20 AM, Bart Van Assche wrote: > On 05/22/18 10:58, Jens Axboe wrote: >> On 5/22/18 9:27 AM, Bart Van Assche wrote: >>> Avoid that complaints similar to the following appear in the kernel log >>> if the number of zones is sufficiently large: >>> >>> fio: page allocation failure: order:9, mode:0x140c0c0(GFP_KERNEL|__GFP_COMP|__GFP_ZERO), nodemask=(null) >>> Call Trace: >>> dump_stack+0x63/0x88 >>> warn_alloc+0xf5/0x190 >>> __alloc_pages_slowpath+0x8f0/0xb0d >>> __alloc_pages_nodemask+0x242/0x260 >>> alloc_pages_current+0x6a/0xb0 >>> kmalloc_order+0x18/0x50 >>> kmalloc_order_trace+0x26/0xb0 >>> __kmalloc+0x20e/0x220 >>> blkdev_report_zones_ioctl+0xa5/0x1a0 >>> blkdev_ioctl+0x1ba/0x930 >>> block_ioctl+0x41/0x50 >>> do_vfs_ioctl+0xaa/0x610 >>> SyS_ioctl+0x79/0x90 >>> do_syscall_64+0x79/0x1b0 >>> entry_SYSCALL_64_after_hwframe+0x3d/0xa2 >> >> Applied, thanks. > > Thank you Jens. This patch (commit 327ea4adcfa3) is now in Linus tree. > We would like this patch to appear in the v4.14 and v4.17 kernel series > too. Since this patch does not have a stable tag, how do you want us > to proceed? Do you want to send this patch yourself to Greg or do you > rather expect us to do that? You can do it - just send an email go greg/stable saking for that commit sha to be marked for stable. -- Jens Axboe