From: Matthew Wilcox <willy@infradead.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: kan.liang@linux.intel.com, mingo@kernel.org, acme@kernel.org,
mark.rutland@arm.com, alexander.shishkin@linux.intel.com,
jolsa@redhat.com, eranian@google.com,
christophe.leroy@csgroup.eu, npiggin@gmail.com,
linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au,
will@kernel.org, aneesh.kumar@linux.ibm.com,
sparclinux@vger.kernel.org, davem@davemloft.net,
catalin.marinas@arm.com, linux-arch@vger.kernel.org,
linux-kernel@vger.kernel.org, ak@linux.intel.com,
dave.hansen@intel.com, kirill.shutemov@linux.intel.com
Subject: Re: [PATCH v2 2/6] mm: Introduce pXX_leaf_size()
Date: Thu, 26 Nov 2020 12:43:49 +0000 [thread overview]
Message-ID: <20201126124349.GQ4327@casper.infradead.org> (raw)
In-Reply-To: <20201126121121.102580109@infradead.org>
On Thu, Nov 26, 2020 at 01:01:16PM +0100, Peter Zijlstra wrote:
> A number of architectures have non-pagetable aligned huge/large pages.
> For such architectures a leaf can actually be part of a larger entry.
>
> Provide generic helpers to determine the size of a page-table leaf.
>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
WARNING: multiple messages have this Message-ID (diff)
From: Matthew Wilcox <willy@infradead.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mark.rutland@arm.com, aneesh.kumar@linux.ibm.com,
linux-arch@vger.kernel.org, catalin.marinas@arm.com,
will@kernel.org, alexander.shishkin@linux.intel.com,
linuxppc-dev@lists.ozlabs.org, npiggin@gmail.com,
linux-kernel@vger.kernel.org, acme@kernel.org,
davem@davemloft.net, dave.hansen@intel.com, ak@linux.intel.com,
eranian@google.com, sparclinux@vger.kernel.org, jolsa@redhat.com,
mingo@kernel.org, kirill.shutemov@linux.intel.com,
kan.liang@linux.intel.com
Subject: Re: [PATCH v2 2/6] mm: Introduce pXX_leaf_size()
Date: Thu, 26 Nov 2020 12:43:49 +0000 [thread overview]
Message-ID: <20201126124349.GQ4327@casper.infradead.org> (raw)
In-Reply-To: <20201126121121.102580109@infradead.org>
On Thu, Nov 26, 2020 at 01:01:16PM +0100, Peter Zijlstra wrote:
> A number of architectures have non-pagetable aligned huge/large pages.
> For such architectures a leaf can actually be part of a larger entry.
>
> Provide generic helpers to determine the size of a page-table leaf.
>
> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
next prev parent reply other threads:[~2020-11-26 12:44 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-26 12:01 [PATCH v2 0/6] perf/mm: Fix PERF_SAMPLE_*_PAGE_SIZE Peter Zijlstra
2020-11-26 12:01 ` Peter Zijlstra
2020-11-26 12:01 ` Peter Zijlstra
2020-11-26 12:01 ` [PATCH v2 1/6] mm/gup: Provide gup_get_pte() more generic Peter Zijlstra
2020-11-26 12:01 ` Peter Zijlstra
2020-11-26 12:01 ` Peter Zijlstra
2020-11-26 12:43 ` Matthew Wilcox
2020-11-26 12:43 ` Matthew Wilcox
2020-11-26 13:02 ` Peter Zijlstra
2020-11-26 13:02 ` Peter Zijlstra
2020-11-26 13:02 ` Peter Zijlstra
2020-12-03 9:07 ` [tip: perf/core] " tip-bot2 for Peter Zijlstra
2020-12-03 9:24 ` tip-bot2 for Peter Zijlstra
2020-11-26 12:01 ` [PATCH v2 2/6] mm: Introduce pXX_leaf_size() Peter Zijlstra
2020-11-26 12:01 ` Peter Zijlstra
2020-11-26 12:01 ` Peter Zijlstra
2020-11-26 12:43 ` Matthew Wilcox [this message]
2020-11-26 12:43 ` Matthew Wilcox
2020-12-03 9:07 ` [tip: perf/core] " tip-bot2 for Peter Zijlstra
2020-12-03 9:24 ` tip-bot2 for Peter Zijlstra
2020-11-26 12:01 ` [PATCH v2 3/6] perf/core: Fix arch_perf_get_page_size() Peter Zijlstra
2020-11-26 12:01 ` Peter Zijlstra
2020-11-26 12:01 ` Peter Zijlstra
2020-11-26 12:34 ` Matthew Wilcox
2020-11-26 12:34 ` Matthew Wilcox
2020-11-26 12:42 ` Peter Zijlstra
2020-11-26 12:42 ` Peter Zijlstra
2020-11-26 12:42 ` Peter Zijlstra
2020-11-26 12:56 ` Matthew Wilcox
2020-11-26 12:56 ` Matthew Wilcox
2020-11-26 13:06 ` Peter Zijlstra
2020-11-26 13:06 ` Peter Zijlstra
2020-11-26 13:06 ` Peter Zijlstra
2020-11-26 13:27 ` Matthew Wilcox
2020-11-26 13:27 ` Matthew Wilcox
2020-12-03 9:07 ` [tip: perf/core] " tip-bot2 for Peter Zijlstra
2020-12-03 9:24 ` tip-bot2 for Peter Zijlstra
2020-11-26 12:01 ` [PATCH v2 4/6] arm64/mm: Implement pXX_leaf_size() support Peter Zijlstra
2020-11-26 12:01 ` Peter Zijlstra
2020-11-26 12:01 ` Peter Zijlstra
2020-11-26 12:57 ` Peter Zijlstra
2020-11-26 12:57 ` Peter Zijlstra
2020-11-26 12:57 ` Peter Zijlstra
2020-11-26 14:32 ` Will Deacon
2020-11-26 14:32 ` Will Deacon
2020-12-03 9:07 ` [tip: perf/core] " tip-bot2 for Peter Zijlstra
2020-12-03 9:24 ` tip-bot2 for Peter Zijlstra
2020-11-26 12:01 ` [PATCH v2 5/6] sparc64/mm: " Peter Zijlstra
2020-11-26 12:01 ` Peter Zijlstra
2020-11-26 12:01 ` Peter Zijlstra
2020-12-03 9:07 ` [tip: perf/core] " tip-bot2 for Peter Zijlstra
2020-12-03 9:24 ` tip-bot2 for Peter Zijlstra
2020-12-09 18:44 ` tip-bot2 for Peter Zijlstra
2020-11-26 12:01 ` [PATCH v2 6/6] powerpc/8xx: " Peter Zijlstra
2020-11-26 12:01 ` Peter Zijlstra
2020-11-26 12:01 ` Peter Zijlstra
2020-12-03 9:07 ` [tip: perf/core] " tip-bot2 for Peter Zijlstra
2020-12-03 9:24 ` tip-bot2 for Peter Zijlstra
2020-12-09 18:44 ` tip-bot2 for Peter Zijlstra
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