linux-kernel - v5.1-rc7 fails to build on s390x (Re: Linux 5.1-rc7)

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Date:   Mon, 29 Apr 2019 07:21:36 +0200
From:   Michal Kubecek <mkubecek@...e.cz>
To:     Jason Gunthorpe <jgg@...lanox.com>
Cc:     Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>
Subject: v5.1-rc7 fails to build on s390x (Re: Linux 5.1-rc7)

v5.1-rc7 fails to build on s390x due to

		vmf->page = ZERO_PAGE(vmf->vm_start);

from commit 67f269b37f9b ("RDMA/ucontext: Fix regression with
disassociate"). This is not a problem on x86_64 where ZERO_PAGE()
doesn't use its argument but s390 version does.

I suppose the line should rather read

		vmf->page = ZERO_PAGE(vmf->vma->vm_start);

but I'm just guessing.

Michal Kubecek