From: Linus Torvalds <torvalds@linux-foundation.org>
To: "Thomas Hellström (VMware)" <thomas_os@shipmail.org>
Cc: 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>,
"Matthew Wilcox" <willy@infradead.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 2/7] mm: Add a walk_page_mapping() function to the pagewalk code
Date: Wed, 2 Oct 2019 10:52:29 -0700 [thread overview]
Message-ID: <CAHk-=whjJ-jOz0SDJXt-+=ezjFy8ZCGXrqnnsoVocO+toxWSmw@mail.gmail.com> (raw)
In-Reply-To: <20191002134730.40985-3-thomas_os@shipmail.org>
On Wed, Oct 2, 2019 at 6:47 AM Thomas Hellström (VMware)
<thomas_os@shipmail.org> wrote:
>
> From: Thomas Hellstrom <thellstrom@vmware.com>
>
> For users that want to travers all page table entries pointing into a
> region of a struct address_space mapping, introduce a walk_page_mapping()
> function.
This looks non-offensive to me.
My main reaction was "oh, really good that we split up the walker ops
from the mm_walk structure, this would have been much uglier before
that" due to the added vma entry/exit ops.
Linus
next prev parent reply other threads:[~2019-10-02 17:52 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 [this message]
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
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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