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authorJohannes Berg <johannes@sipsolutions.net>2009-04-18 11:00:39 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2009-04-23 14:15:28 -0700
commita8aa401f38cfb5fa26e970b48e93fb851d68fe64 (patch)
tree99f5572d635b55af91f04bff94ce901a022ed09e /include
parent82a10a81c853be3859b3d222db0f372ee8d2eaa2 (diff)
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USB: pass mem_flags to dma_alloc_coherent
When I want to use my webcam, I get: vvvvvvv cheese: page allocation failure. order:5, mode:0x8004 Pid: 8100, comm: cheese Not tainted 2.6.30-rc2-wl-dirty #102 Call Trace: [<ffffffff802c5d8e>] __alloc_pages_internal+0x3fe/0x520 [<ffffffff80210a20>] dma_generic_alloc_coherent+0x90/0x120 [<ffffffffa001c91e>] hcd_buffer_alloc+0xee/0x130 [usbcore] [<ffffffffa000d52d>] usb_buffer_alloc+0x2d/0x40 [usbcore] [<ffffffffa0160e14>] uvc_alloc_urb_buffers+0x84/0x140 [uvcvideo] [<ffffffffa0160ff6>] uvc_init_video+0x126/0x400 [uvcvideo] [...] Oddly, I remembered fixing this and putting in __GFP_NOWARN because uvcvideo retries a smaller allocation. However, the allocation function doesn't pass the gfp flags through to dma_alloc_coherent so we still get the warning! Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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