linux-kernel - Re: [PATCH v3 2/3] mm/vmalloc: respect passed gfp

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Date:   Sat, 19 Oct 2019 17:51:35 +0200
From:   Uladzislau Rezki <urezki@...il.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Uladzislau Rezki <urezki@...il.com>,
        Michal Hocko <mhocko@...nel.org>,
        Daniel Wagner <dwagner@...e.de>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Thomas Gleixner <tglx@...utronix.de>, linux-mm@...ck.org,
        LKML <linux-kernel@...r.kernel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Hillf Danton <hdanton@...a.com>,
        Matthew Wilcox <willy@...radead.org>,
        Oleksiy Avramchenko <oleksiy.avramchenko@...ymobile.com>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH v3 2/3] mm/vmalloc: respect passed gfp_mask when do
 preloading

> > > 
> > > This is explaining what but it doesn't say why. I would go with
> > > "
> > > Allocation functions should comply with the given gfp_mask as much as
> > > possible. The preallocation code in alloc_vmap_area doesn't follow that
> > > pattern and it is using a hardcoded GFP_KERNEL. Although this doesn't
> > > really make much difference because vmalloc is not GFP_NOWAIT compliant
> > > in general (e.g. page table allocations are GFP_KERNEL) there is no
> > > reason to spread that bad habit and it is good to fix the antipattern.
> > > "
> > I can go with that, agree. I am not sure if i need to update the patch
> > and send v4. Or maybe Andrew can directly update it in his tree.
> > 
> > Andrew, should i send or can update?
> 
> I updated the changelog with Michal's words prior to committing.  You
> were cc'ed :)
> 
Ah, i saw the email stating that the patch has been added to the "mm"
tree, but i did not check the commit message. Now i see everything is
sorted out :)

Thank you!

--
Vlad Rezki