linux-kernel - Re: [PATCH 10/18] rcu/tree: Maintain separate array for vmalloc ptrs

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Date:   Mon, 30 Mar 2020 11:21:37 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     Uladzislau Rezki <urezki@...il.com>
Cc:     Joel Fernandes <joel@...lfernandes.org>,
        Matthew Wilcox <willy@...radead.org>, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        Ingo Molnar <mingo@...hat.com>,
        Josh Triplett <josh@...htriplett.org>,
        Lai Jiangshan <jiangshanlai@...il.com>, linux-mm@...ck.org,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        "Rafael J. Wysocki" <rafael.j.wysocki@...el.com>,
        rcu@...r.kernel.org, Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH 10/18] rcu/tree: Maintain separate array for vmalloc ptrs

On Mon, Mar 30, 2020 at 07:43:38PM +0200, Uladzislau Rezki wrote:
> On Mon, Mar 30, 2020 at 01:16:06PM -0400, Joel Fernandes wrote:
> > On Mon, Mar 30, 2020 at 08:37:02AM -0700, Paul E. McKenney wrote:
> > > On Mon, Mar 30, 2020 at 08:31:49AM -0700, Matthew Wilcox wrote:
> > > > On Mon, Mar 30, 2020 at 05:29:51PM +0200, Uladzislau Rezki wrote:
> > > > > Hello, Joel.
> > > > > 
> > > > > Sent out the patch fixing build error.
> > > > 
> > > > ... where?  It didn't get cc'd to linux-mm?
> > > 
> > > The kbuild test robot complained.  Prior than the build error, the
> > > patch didn't seem all that relevant to linux-mm.  ;-)
> > 
> > I asked the preprocessor to tell me why I didn't hit this in my tree. Seems
> > it because vmalloc.h is included in my tree through the following includes. 
> > 
> Same to me, i did not manage to hit that build error.

This is a common occurrence for me.  The kbuild test robot can be very
helpful for this sort of thing.  ;-)

							Thanx, Paul