linux-kernel - Re: [PATCH v3 2/7] mm/vmalloc: Track which page-table levels were modified

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Message-ID: <20200525100540.GB5075@suse.de>
Date:   Mon, 25 May 2020 12:05:40 +0200
From:   Joerg Roedel <jroedel@...e.de>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Joerg Roedel <joro@...tes.org>, x86@...nel.org, hpa@...or.com,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>, rjw@...ysocki.net,
        Arnd Bergmann <arnd@...db.de>,
        Steven Rostedt <rostedt@...dmis.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Michal Hocko <mhocko@...nel.org>,
        Matthew Wilcox <willy@...radead.org>,
        linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-mm@...ck.org,
        Christoph Hellwig <hch@...radead.org>
Subject: Re: [PATCH v3 2/7] mm/vmalloc: Track which page-table levels were
 modified

On Mon, May 18, 2020 at 03:18:28PM -0700, Andrew Morton wrote:
> It would be nice to get all this (ie, linux-next) retested before we
> send it upstream, please.

Tested these patches as in next-20200522, with three 2, 3, and 4-level
paging. On 4-level (aka 64-bit) I also re-ran the Stevens trace-cmd
reproducer, no issues found and the trace-cmd problem is still fixed.

Thanks,

	Joerg