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From: Michal Hocko <mhocko@kernel.org>
To: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org, Daniel Vetter <daniel.vetter@intel.com>,
	Jani Nikula <jani.nikula@linux.intel.com>,
	Sean Paul <seanpaul@chromium.org>,
	David Airlie <airlied@linux.ie>
Subject: Re: [PATCH] drm: use kvmalloc_array for drm_malloc*
Date: Tue, 16 May 2017 11:52:55 +0200	[thread overview]
Message-ID: <20170516095254.GG2481@dhcp22.suse.cz> (raw)
In-Reply-To: <20170516092230.pzadndxm5gq4i4h6@phenom.ffwll.local>

On Tue 16-05-17 11:22:30, Daniel Vetter wrote:
> On Tue, May 16, 2017 at 11:06:06AM +0200, Michal Hocko wrote:
> > From: Michal Hocko <mhocko@suse.com>
> > 
> > drm_malloc* has grown their own kmalloc with vmalloc fallback
> > implementations. MM has grown kvmalloc* helpers in the meantime. Let's
> > use those because it a) reduces the code and b) MM has a better idea
> > how to implement fallbacks (e.g. do not vmalloc before kmalloc is tried
> > with __GFP_NORETRY).
> > 
> > Signed-off-by: Michal Hocko <mhocko@suse.com>
> 
> Shouldn't we go one step further and just remove these wrappers, maybe
> with cocci?

my cocci sucks...

> Especially drm_malloc_gfp is surpremely pointless after this
> patch (and drm_malloc_ab probably not that useful either).

So what about the following instead? It passes allyesconfig compilation.
---

  reply	other threads:[~2017-05-16  9:53 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-16  9:06 Michal Hocko
2017-05-16  9:22 ` Daniel Vetter
2017-05-16  9:52   ` Michal Hocko [this message]
2017-05-16 13:08     ` Daniel Vetter
2017-05-16 13:21       ` Michal Hocko
2017-05-16  9:31 ` Chris Wilson
2017-05-16 10:53   ` Michal Hocko
2017-05-16 11:09     ` Chris Wilson
2017-05-17  7:44       ` Michal Hocko
2017-05-17  7:59         ` Chris Wilson
2017-05-17  8:09           ` Michal Hocko

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