Date: Tue, 17 Jul 2018 14:47:03 +0200
From: Michal Hocko <mhocko@kernel.org>
To: Richard Weinberger <richard@nod.at>
Cc: LKML <linux-kernel@vger.kernel.org>,
        Artem Bityutskiy <dedekind1@gmail.com>,
        David Woodhouse <dwmw2@infradead.org>,
        Brian Norris <computersforpeace@gmail.com>,
        Boris Brezillon <boris.brezillon@free-electrons.com>,
        Marek Vasut <marek.vasut@gmail.com>,
        Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>,
        Theodore Ts'o <tytso@mit.edu>,
        Andreas Dilger <adilger.kernel@dilger.ca>,
        Steven Whitehouse <swhiteho@redhat.com>,
        Bob Peterson <rpeterso@redhat.com>,
        Trond Myklebust <trond.myklebust@primarydata.com>,
        Anna Schumaker <anna.schumaker@netapp.com>,
        Adrian Hunter <adrian.hunter@intel.com>,
        Philippe Ombredanne <pombredanne@nexb.com>,
        Kate Stewart <kstewart@linuxfoundation.org>,
        Mikulas Patocka <mpatocka@redhat.com>,
        linux-mtd@lists.infradead.org, linux-ext4@vger.kernel.org,
        cluster-devel@redhat.com, linux-nfs@vger.kernel.org,
        linux-mm@kvack.org
Subject: Re: vmalloc with GFP_NOFS
Message-ID: <20180717124703.GA30926@dhcp22.suse.cz>
References: <20180424162712.GL17484@dhcp22.suse.cz>
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On Tue 24-04-18 21:03:43, Richard Weinberger wrote:
> Am Dienstag, 24. April 2018, 18:27:12 CEST schrieb Michal Hocko:
> > fs/ubifs/debug.c
> 
> This one is just for debugging.
> So, preallocating + locking would not hurt much.
> 
> > fs/ubifs/lprops.c
> 
> Ditto.
> 
> > fs/ubifs/lpt_commit.c
> 
> Here we use it also only in debugging mode and in one case for
> fatal error reporting.
> No hot paths.
> 
> > fs/ubifs/orphan.c
> 
> Also only for debugging.
> Getting rid of vmalloc with GFP_NOFS in UBIFS is no big problem.
> I can prepare a patch.

Hi Richard, I have just got back to this and noticed that the vmalloc
NOFS usage is still there. Do you have any plans to push changes to
remove it?
-- 
Michal Hocko
SUSE Labs