From: Dave Hansen <dave.hansen@intel.com>
To: Alexander Duyck <alexander.duyck@gmail.com>,
mhocko@kernel.org, pavel.tatashin@microsoft.com,
dan.j.williams@intel.com
Cc: linux-nvdimm@lists.01.org, LKML <linux-kernel@vger.kernel.org>,
linux-mm <linux-mm@kvack.org>,
jglisse@redhat.com, Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@kernel.org>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: Re: [PATCH 1/4] mm: Provide kernel parameter to allow disabling page init poisoning
Date: Wed, 12 Sep 2018 09:43:27 -0700 [thread overview]
Message-ID: <68ccf46e-8c1e-c796-df35-afb5b295d6ea@intel.com> (raw)
In-Reply-To: <CAKgT0UeKnaY4XebOmtGozbjEJN4k3cwyhdBLPPJLc677-QU+Sw@mail.gmail.com>
On 09/12/2018 09:36 AM, Alexander Duyck wrote:
>> vm_debug = [KNL] Available with CONFIG_DEBUG_VM=y.
>> May slow down boot speed, especially on larger-
>> memory systems when enabled.
>> off: turn off all runtime VM debug features
>> all: turn on all debug features (default)
> This would introduce a significant amount of code change if we do it
> as a parameter that has control over everything.
Sure, but don't do that now. Just put page poisoning under it now.
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next prev parent reply other threads:[~2018-09-12 16:43 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-10 23:43 [PATCH 0/4] Address issues slowing persistent memory initialization Alexander Duyck
2018-09-10 23:43 ` [PATCH 1/4] mm: Provide kernel parameter to allow disabling page init poisoning Alexander Duyck
2018-09-11 0:35 ` Alexander Duyck
2018-09-11 16:50 ` Dan Williams
2018-09-11 20:01 ` Alexander Duyck
2018-09-11 20:24 ` Dan Williams
2018-09-12 13:24 ` Pasha Tatashin
2018-09-12 14:10 ` Michal Hocko
2018-09-12 14:49 ` Alexander Duyck
2018-09-12 15:23 ` Dave Hansen
2018-09-12 16:36 ` Alexander Duyck
2018-09-12 16:43 ` Dave Hansen [this message]
2018-09-10 23:43 ` [PATCH 2/4] mm: Create non-atomic version of SetPageReserved for init use Alexander Duyck
2018-09-12 13:28 ` Pasha Tatashin
2018-09-10 23:43 ` [PATCH 3/4] mm: Defer ZONE_DEVICE page initialization to the point where we init pgmap Alexander Duyck
2018-09-11 7:49 ` kbuild test robot
2018-09-11 7:54 ` kbuild test robot
2018-09-11 22:35 ` Dan Williams
2018-09-12 0:51 ` Alexander Duyck
2018-09-12 0:59 ` Dan Williams
2018-09-12 13:59 ` Pasha Tatashin
2018-09-12 15:48 ` Alexander Duyck
2018-09-12 15:54 ` Pasha Tatashin
2018-09-12 16:44 ` Alexander Duyck
2018-09-12 16:50 ` Dan Williams
2018-09-12 17:46 ` Pasha Tatashin
2018-09-12 19:11 ` Dan Williams
2018-09-10 23:44 ` [PATCH 4/4] nvdimm: Trigger the device probe on a cpu local to the device Alexander Duyck
2018-09-11 0:37 ` Alexander Duyck
2018-09-12 5:48 ` Dan Williams
2018-09-12 13:44 ` Pasha Tatashin
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