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generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2025-02-02 12:43:44 +0000
path+0x1036/0x16e0 [<ffffffff81516880>] ? warn_alloc_failed+0x250/0x250 [<ffffffff8151226b>] ? get_page_from_freelist+0x75b/0x28b0 [<ffffffff815184e3>] ? __alloc_pages_nodemask+0x583/0x6b0 [<ffffffff81517f60>] ? __alloc_pages_slowpath+0x16e0/0x16e0 [<ffffffff810565d4>] ? dma_generic_alloc_coherent+0x104/0x220 [<ffffffffa0269e56>] ? hcd_buffer_alloc+0x1d6/0x3e0 [usbcore] [<ffffffffa0269c80>] ? hcd_buffer_destroy+0xa0/0xa0 [usbcore] [<ffffffffa0228f05>] ? usb_alloc_coherent+0x65/0x90 [usbcore] [<ffffffffa0275c05>] ? usbdev_mmap+0x1a5/0x770 [usbcore] ... Allocations like this one should be marked as __GFP_NOWARN. So do so. The size could be also clipped by something like: if (size >= (1 << (MAX_ORDER + PAGE_SHIFT - 1))) return -ENOMEM; But I think the overall limit of 16M (by usbfs_increase_memory_usage) is enough, so that we only silence the warning here. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Steinar H. Gunderson <sesse@google.com> Cc: Markus Rechberger <mrechberger@gmail.com> Fixes: f7d34b445a (USB: Add support for usbfs zerocopy.) Cc: 4.6+ <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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