From: Andrew Morton <akpm@linux-foundation.org>
To: Tony Luck <tony.luck@gmail.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: [PATCHv2 0/3] Find mirrored memory, use for boot time allocations
Date: Fri, 8 May 2015 13:49:01 -0700 [thread overview]
Message-ID: <20150508134901.e3e7585b359b073253788c22@linux-foundation.org> (raw)
In-Reply-To: <CA+8MBbLNO5PdsdVtwweCuGohWkns2sCijkOCj4qHjo0HptEHFg@mail.gmail.com>
On Fri, 8 May 2015 13:38:52 -0700 Tony Luck <tony.luck@gmail.com> wrote:
> > Will surplus ZONE_MIRROR memory be available for regular old movable
> > allocations?
> ZONE_MIRROR and ZONE_MOVABLE are pretty much opposites. We
> only want kernel allocations in mirror memory, and we can't allow any
> kernel allocations in movable (cause they'll pin it).
What I mean is: allow userspace to consume ZONE_MIRROR memory because
we can snatch it back if it is needed for kernel memory.
next prev parent reply other threads:[~2015-05-08 20:49 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-08 16:44 Tony Luck
2015-05-07 22:17 ` [PATCHv2 1/3] mm/memblock: Add extra "flags" to memblock to allow selection of memory based on attribute Tony Luck
2015-05-07 22:18 ` [PATCHv2 2/3] mm/memblock: Allocate boot time data structures from mirrored memory Tony Luck
2015-05-07 22:19 ` [PATCHv2 3/3] x86, mirror: x86 enabling - find mirrored memory ranges Tony Luck
2015-05-08 20:03 ` [PATCHv2 0/3] Find mirrored memory, use for boot time allocations Andrew Morton
2015-05-08 20:38 ` Tony Luck
2015-05-08 20:49 ` Andrew Morton [this message]
2015-05-08 23:41 ` Tony Luck
2015-05-19 3:01 ` Xishi Qiu
2015-05-19 4:48 ` Tony Luck
2015-05-19 6:37 ` Xishi Qiu
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