From: Shakeel Butt <shakeelb@google.com>
To: Vlastimil Babka <vbabka@suse.cz>
Cc: Michal Hocko <mhocko@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Greg Thelen <gthelen@google.com>,
Mel Gorman <mgorman@techsingularity.net>,
Linux MM <linux-mm@kvack.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] mm: save two stranding bit in gfp_mask
Date: Wed, 16 May 2018 14:21:35 -0700 [thread overview]
Message-ID: <CALvZod6PebHBeqp_kJ47S_vMYKmHnAP5er4+03O=5XGFiyHfHA@mail.gmail.com> (raw)
In-Reply-To: <90167afa-ecfb-c5ef-3554-ddb7e6ac9728@suse.cz>
On Wed, May 16, 2018 at 1:41 PM Vlastimil Babka <vbabka@suse.cz> wrote:
> On 05/16/2018 10:20 PM, Shakeel Butt wrote:
> > ___GFP_COLD and ___GFP_OTHER_NODE were removed but their bits were
> > stranded. Slide existing gfp masks to make those two bits available.
> Well, there are already available for hypothetical new flags. Is there
> anything that benefits from a smaller __GFP_BITS_SHIFT?
I am prototyping to pass along the type of kmem allocation e.g. page table,
vmalloc, stack e.t.c. (still very preliminary).
next prev parent reply other threads:[~2018-05-16 21:21 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-16 20:20 Shakeel Butt
2018-05-16 20:39 ` Vlastimil Babka
2018-05-16 21:21 ` Shakeel Butt [this message]
2018-05-16 20:46 ` Michal Hocko
2018-05-23 8:08 ` kbuild test robot
2018-05-23 8:17 ` Michal Hocko
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