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From: Matthew Wilcox <willy@infradead.org>
To: Nadav Amit <nadav.amit@gmail.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Hugh Dickins <hughd@google.com>,
	Andy Lutomirski <luto@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
	Nadav Amit <namit@vmware.com>,
	Sean Christopherson <seanjc@google.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	x86@kernel.org
Subject: Re: [RFC 0/6] x86: prefetch_page() vDSO call
Date: Thu, 25 Feb 2021 12:16:45 +0000	[thread overview]
Message-ID: <20210225121645.GZ2858050@casper.infradead.org> (raw)
In-Reply-To: <20210225072910.2811795-1-namit@vmware.com>

On Wed, Feb 24, 2021 at 11:29:04PM -0800, Nadav Amit wrote:
> Just as applications can use prefetch instructions to overlap
> computations and memory accesses, applications may want to overlap the
> page-faults and compute or overlap the I/O accesses that are required
> for page-faults of different pages.

Isn't this madvise(MADV_WILLNEED)?


  parent reply	other threads:[~2021-02-25 12:17 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-02-25  7:29 Nadav Amit
2021-02-25  7:29 ` [RFC 1/6] vdso/extable: fix calculation of base Nadav Amit
2021-02-25 21:16   ` Sean Christopherson
2021-02-26 17:24     ` Nadav Amit
2021-02-26 17:47       ` Sean Christopherson
2021-02-28  9:20         ` Nadav Amit
2021-02-25  7:29 ` [RFC 2/6] x86/vdso: add mask and flags to extable Nadav Amit
2021-02-25  7:29 ` [RFC 3/6] x86/vdso: introduce page_prefetch() Nadav Amit
2021-02-25  7:29 ` [RFC 4/6] mm/swap_state: respect FAULT_FLAG_RETRY_NOWAIT Nadav Amit
2021-02-25  7:29 ` [RFC 5/6] mm: use lightweight reclaim on FAULT_FLAG_RETRY_NOWAIT Nadav Amit
2021-02-25  7:29 ` [PATCH 6/6] testing/selftest: test vDSO prefetch_page() Nadav Amit
2021-02-25  8:40 ` [RFC 0/6] x86: prefetch_page() vDSO call Peter Zijlstra
2021-02-25  8:52   ` Nadav Amit
2021-02-25  9:32     ` Nadav Amit
2021-02-25  9:55       ` Peter Zijlstra
2021-02-25 12:16 ` Matthew Wilcox [this message]
2021-02-25 16:56   ` Nadav Amit
2021-02-25 17:32     ` Matthew Wilcox
2021-02-25 17:53       ` Nadav Amit

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