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From: Matthew Wilcox <willy@infradead.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: "Thomas Hellström (VMware)" <thomas_os@shipmail.org>,
	Linux-MM <linux-mm@kvack.org>,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
	"Thomas Hellstrom" <thellstrom@vmware.com>,
	"Andrew Morton" <akpm@linux-foundation.org>,
	"Will Deacon" <will.deacon@arm.com>,
	"Peter Zijlstra" <peterz@infradead.org>,
	"Rik van Riel" <riel@surriel.com>,
	"Minchan Kim" <minchan@kernel.org>,
	"Michal Hocko" <mhocko@suse.com>,
	"Huang Ying" <ying.huang@intel.com>,
	"Jérôme Glisse" <jglisse@redhat.com>,
	"Kirill A . Shutemov" <kirill@shutemov.name>
Subject: Re: [PATCH v3 3/7] mm: Add write-protect and clean utilities for address space ranges
Date: Wed, 2 Oct 2019 11:13:42 -0700	[thread overview]
Message-ID: <20191002181342.GB32665@bombadil.infradead.org> (raw)
In-Reply-To: <CAHk-=wic5vXCxpH-+UTtmH_t-EDBKrKnDhxQk=t_N20aiWnqUg@mail.gmail.com>

On Wed, Oct 02, 2019 at 11:06:43AM -0700, Linus Torvalds wrote:
> On Wed, Oct 2, 2019 at 6:48 AM Thomas Hellström (VMware)
> <thomas_os@shipmail.org> wrote:
> >
> > From: Thomas Hellstrom <thellstrom@vmware.com>
> >
> > Add two utilities to a) write-protect and b) clean all ptes pointing into
> > a range of an address space.
[...]
> Yes, it's a bit more typing. But I really think
> "clean_mapping_dirty_pages()" is just not only more in line with the
> mm naming, I think it's a lot more legible and understandable than
> "as_dirty_clean()", which just makes me go "what the heck does that
> function do?"
> 
> And I really think it needs more than just "as" -> "mapping".
> "mapping_dirty_clean()" still makes me go "what?" in a way that
> "clean_mapping_dirty_pages()" does not. One name reads as a series or
> random words, the other reads as a "this is what the function does".

I'd suggest clean_mapping_pages() -- a function which does that would
naturally skip the non-dirty pages, and that doesn't need to be in the
function name.


  reply	other threads:[~2019-10-02 18:13 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-02 13:47 [PATCH v3 0/7] Emulated coherent graphics memory take 2 Thomas Hellström (VMware)
2019-10-02 13:47 ` [PATCH v3 1/7] mm: Remove BUG_ON mmap_sem not held from xxx_trans_huge_lock() Thomas Hellström (VMware)
2019-10-03 11:02   ` Kirill A. Shutemov
2019-10-03 11:32     ` Thomas Hellström (VMware)
2019-10-02 13:47 ` [PATCH v3 2/7] mm: Add a walk_page_mapping() function to the pagewalk code Thomas Hellström (VMware)
2019-10-02 17:52   ` Linus Torvalds
2019-10-03 11:17   ` Kirill A. Shutemov
2019-10-03 11:32     ` Thomas Hellström (VMware)
2019-10-04 12:37       ` Kirill A. Shutemov
2019-10-04 12:58         ` Thomas Hellström (VMware)
2019-10-04 13:24           ` Kirill A. Shutemov
2019-10-02 13:47 ` [PATCH v3 3/7] mm: Add write-protect and clean utilities for address space ranges Thomas Hellström (VMware)
2019-10-02 18:06   ` Linus Torvalds
2019-10-02 18:13     ` Matthew Wilcox [this message]
2019-10-02 19:09     ` Thomas Hellström (VMware)
2019-10-02 20:27       ` Linus Torvalds
2019-10-03  7:56         ` Thomas Hellstrom
2019-10-03 16:55           ` Linus Torvalds
2019-10-03 18:03             ` Thomas Hellström (VMware)
2019-10-03 18:11               ` Linus Torvalds
2019-10-02 13:47 ` [PATCH v3 4/7] drm/vmwgfx: Implement an infrastructure for write-coherent resources Thomas Hellström (VMware)
2019-10-02 13:47 ` [PATCH v3 5/7] drm/vmwgfx: Use an RBtree instead of linked list for MOB resources Thomas Hellström (VMware)
2019-10-02 13:47 ` [PATCH v3 6/7] drm/vmwgfx: Implement an infrastructure for read-coherent resources Thomas Hellström (VMware)
2019-10-02 13:47 ` [PATCH v3 7/7] drm/vmwgfx: Add surface dirty-tracking callbacks Thomas Hellström (VMware)

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