From: Peter Xu <peterx@redhat.com>
To: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Jason Gunthorpe <jgg@ziepe.ca>,
John Hubbard <jhubbard@nvidia.com>,
Andrew Morton <akpm@linux-foundation.org>,
Christoph Hellwig <hch@lst.de>, Yang Shi <shy828301@gmail.com>,
Oleg Nesterov <oleg@redhat.com>,
Kirill Tkhai <ktkhai@virtuozzo.com>,
Hugh Dickins <hughd@google.com>, Jann Horn <jannh@google.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Michal Hocko <mhocko@suse.com>, Jan Kara <jack@suse.cz>,
Andrea Arcangeli <aarcange@redhat.com>,
Leon Romanovsky <leonro@nvidia.com>
Subject: Re: [PATCH v2 2/4] mm/fork: Pass new vma pointer into copy_page_range()
Date: Wed, 30 Sep 2020 13:05:11 -0400 [thread overview]
Message-ID: <20200930170511.GA130406@xz-x1> (raw)
In-Reply-To: <20200930133055.sdejarcv7nyhc2yc@box>
On Wed, Sep 30, 2020 at 04:30:55PM +0300, Kirill A. Shutemov wrote:
> > int copy_page_range(struct mm_struct *dst, struct mm_struct *src,
> > - struct vm_area_struct *vma);
> > + struct vm_area_struct *vma, struct vm_area_struct *new);
>
> It makes dst/src mm_struct arguments redundant. There's always vma->vm_mm.
Indeed. I'll post a patch later for it. Thanks.
--
Peter Xu
next prev parent reply other threads:[~2020-09-30 17:05 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-25 22:25 [PATCH v2 0/4] mm: Break COW for pinned pages during fork() Peter Xu
2020-09-25 22:25 ` [PATCH v2 1/4] mm: Introduce mm_struct.has_pinned Peter Xu
2020-09-25 22:25 ` [PATCH v2 2/4] mm/fork: Pass new vma pointer into copy_page_range() Peter Xu
2020-09-30 13:30 ` Kirill A. Shutemov
2020-09-30 17:05 ` Peter Xu [this message]
2020-09-25 22:25 ` [PATCH v2 3/4] mm: Do early cow for pinned pages during fork() for ptes Peter Xu
2020-09-26 23:23 ` Jason Gunthorpe
2020-09-27 0:04 ` Linus Torvalds
2020-09-27 4:09 ` Peter Xu
2020-09-25 22:26 ` [PATCH v2 4/4] mm/thp: Split huge pmds/puds if they're pinned when fork() Peter Xu
2020-09-27 19:35 ` [PATCH v2 0/4] mm: Break COW for pinned pages during fork() Linus Torvalds
2020-09-29 11:02 ` Leon Romanovsky
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