From: Peter Zijlstra <peterz@infradead.org>
To: Dan Williams <dan.j.williams@intel.com>
Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
stable@vger.kernel.org, Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Yi Zhang <yi.zhang@redhat.com>,
linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org,
willy@infradead.org
Subject: Re: [PATCH] x86/mm: Fix leak of pmd ptlock
Date: Thu, 3 Dec 2020 11:54:07 +0100 [thread overview]
Message-ID: <20201203105407.GL2414@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <160697689204.605323.17629854984697045602.stgit@dwillia2-desk3.amr.corp.intel.com>
On Wed, Dec 02, 2020 at 10:28:12PM -0800, Dan Williams wrote:
> pmd_free() is close, but it is a messy fit due to requiring an @mm arg.
Hurpm, only parisc and s390 actually use that argument. And s390
_really_ needs it, because they're doing runtime folding per mm.
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WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Dan Williams <dan.j.williams@intel.com>
Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
stable@vger.kernel.org, Dave Hansen <dave.hansen@linux.intel.com>,
Andy Lutomirski <luto@kernel.org>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Yi Zhang <yi.zhang@redhat.com>,
linux-kernel@vger.kernel.org, linux-nvdimm@lists.01.org,
willy@infradead.org
Subject: Re: [PATCH] x86/mm: Fix leak of pmd ptlock
Date: Thu, 3 Dec 2020 11:54:07 +0100 [thread overview]
Message-ID: <20201203105407.GL2414@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <160697689204.605323.17629854984697045602.stgit@dwillia2-desk3.amr.corp.intel.com>
On Wed, Dec 02, 2020 at 10:28:12PM -0800, Dan Williams wrote:
> pmd_free() is close, but it is a messy fit due to requiring an @mm arg.
Hurpm, only parisc and s390 actually use that argument. And s390
_really_ needs it, because they're doing runtime folding per mm.
next prev parent reply other threads:[~2020-12-03 10:54 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-03 6:28 [PATCH] x86/mm: Fix leak of pmd ptlock Dan Williams
2020-12-03 6:28 ` Dan Williams
2020-12-03 10:54 ` Peter Zijlstra [this message]
2020-12-03 10:54 ` Peter Zijlstra
2020-12-16 3:25 ` Dan Williams
2020-12-16 3:25 ` Dan Williams
2021-01-05 4:18 ` Dan Williams
2021-01-05 4:18 ` Dan Williams
2021-01-05 15:40 ` Dave Hansen
2021-01-05 15:40 ` Dave Hansen
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