From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: dmaengine: avoid map_cnt overflow with CONFIG_DMA_ENGINE_RAID From: Vinod Koul Message-Id: <20180205053925.GQ18649@localhost> Date: Mon, 5 Feb 2018 11:09:25 +0530 To: Zi Yan Cc: dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, Zi Yan , Dan Williams List-ID: T24gTW9uLCBKYW4gMDgsIDIwMTggYXQgMTA6NTA6NTBBTSAtMDUwMCwgWmkgWWFuIHdyb3RlOgo+ IEZyb206IFppIFlhbiA8emkueWFuQGNzLnJ1dGdlcnMuZWR1Pgo+IAo+IFdoZW4gQ09ORklHX0RN QV9FTkdJTkVfUkFJRCBpcyBlbmFibGVkLCB1bm1hcCBwb29sIHNpemUgY2FuIHJlYWNoIHRvCj4g MjU2LiBCdXQgaW4gc3RydWN0IGRtYWVuZ2luZV91bm1hcF9kYXRhLCBtYXBfY250IGlzIG9ubHkg dTgsIHdyYXBwaW5nCj4gdG8gMCwgaWYgdGhlIHVubWFwIHBvb2wgaXMgbWF4aW1hbGx5IHVzZWQu IFRoaXMgdHJpZ2dlcnMgQlVHKCkgd2hlbgo+IHN0cnVjdCBkbWFlbmdpbmVfdW5tYXBfZGF0YSBp cyBmcmVlZC4gVXNlIHUxNiB0byBmaXggdGhlIHByb2JsZW0uCgpBcHBsaWVkLCB0aGFua3MK