From mboxrd@z Thu Jan  1 00:00:00 1970
From: Leonardo Bras <leonardo@linux.ibm.com>
Subject: Re: [PATCH v5 10/11] mm/Kconfig: Adds config option to track
 lockless pagetable walks
Date: Thu, 03 Oct 2019 16:04:02 -0300
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To: Qian Cai <cai@lca.pw>
Cc: Song Liu <songliubraving@fb.com>, Michal Hocko <mhocko@suse.com>, "Peter Zijlstra (Intel)" <peterz@infradead.org>, "Dmitry
 V. Levin" <ldv@altlinux.org>, Keith Busch <keith.busch@intel.com>, linux-mm@kvack.org, Paul Mackerras <paulus@samba.org>, Christoph Lameter <cl@linux.com>, Ira Weiny <ira.weiny@intel.com>, Dan Williams <dan.j.williams@intel.com>, Elena Reshetova <elena.reshetova@intel.com>, linux-arch@vger.kernel.org, Santosh Sivaraj <santosh@fossix.org>, Davidlohr Bueso <dave@stgolabs.net>, "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>, Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>, Mike Rapoport <rppt@linux.ibm.com>, Jason Gunthorpe <jgg@ziepe.ca>, Vlastimil Babka <vbabka@suse.cz>, Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Alexey Dobriyan <adobriyan@gmail.com>, Ingo Molnar <mingo@kernel.org>, Andrea
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On Wed, 2019-10-02 at 22:08 -0400, Qian Cai wrote:
> Can=E2=80=99t this name and all those new *lockless* function names be sh=
orter?=20
> There are many functions name with *_locked, so how about dropping=20
> lockless at all, i.e., PAGE_TABLE_WALK_TRACKING blah blah?

Thanks for the feedback!

Well, in this case it only tracks the 'lockless pagetable walks'. In
this approach, the 'locked pagetable walks' don't need to be tracked.



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