linux-kernel - Re: [PATCH v2] RDMA/umem: minor bug fix and cleanup in error handling paths

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Message-ID: <20190306015123.GB1662@ziepe.ca>
Date:   Tue, 5 Mar 2019 21:51:23 -0400
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     John Hubbard <jhubbard@...dia.com>
Cc:     Artemy Kovalyov <artemyko@...lanox.com>,
        Ira Weiny <ira.weiny@...el.com>,
        "john.hubbard@...il.com" <john.hubbard@...il.com>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Doug Ledford <dledford@...hat.com>,
        "linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>
Subject: Re: [PATCH v2] RDMA/umem: minor bug fix and cleanup in error
 handling paths

On Tue, Mar 05, 2019 at 05:37:18PM -0800, John Hubbard wrote:
> On 3/5/19 5:34 PM, John Hubbard wrote:
> [snip]
> >>> So release_pages(&local_page_list[j+1], npages - j-1) would be correct.
> >>
> >> Someone send a fixup patch please...
> >>
> >> Jason
> > 
> > Yeah, I'm on it. Just need to double-check that this is the case. But Jason,
> > you're confirming it already, so that helps too.

I didn't look, just assuming Artemy is right since he knows this
code..

> > Patch coming shortly.
> > 
> 
> Jason, btw, do you prefer a patch that fixes the previous one, or a new 
> patch that stands alone? (I'm not sure how this tree is maintained, exactly.)

It has past the point when I should apply a fixup, rdma is general has
about an approximately 1 day period after the 'thanks applied' message
where rebase is possible

Otherwise the tree is strictly no rebase

Jason