tree 2aaaf453345ef419ab7f65a4e8cb045b4af25cd4
parent 8e56a935a4b751bc8cb5288480b23827f8d2564d
author Christian König <ckoenig.leichtzumerken@gmail.com> 1515072259 +0100
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1519310535 +0100

swiotlb: suppress warning when __GFP_NOWARN is set

commit d0bc0c2a31c95002d37c3cc511ffdcab851b3256 upstream.

TTM tries to allocate coherent memory in chunks of 2MB first to improve
TLB efficiency and falls back to allocating 4K pages if that fails.

Suppress the warning when the 2MB allocations fails since there is a
valid fall back path.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reported-by: Mike Galbraith <efault@gmx.de>
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=104082
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>