From: Muchun Song <songmuchun@bytedance.com>
To: Joao Martins <joao.m.martins@oracle.com>
Cc: Linux Memory Management List <linux-mm@kvack.org>,
Dan Williams <dan.j.williams@intel.com>,
Vishal Verma <vishal.l.verma@intel.com>,
Matthew Wilcox <willy@infradead.org>,
Jason Gunthorpe <jgg@ziepe.ca>, Jane Chu <jane.chu@oracle.com>,
Mike Kravetz <mike.kravetz@oracle.com>,
Andrew Morton <akpm@linux-foundation.org>,
Jonathan Corbet <corbet@lwn.net>, Christoph Hellwig <hch@lst.de>,
nvdimm@lists.linux.dev,
Linux Doc Mailing List <linux-doc@vger.kernel.org>
Subject: Re: [PATCH v6 2/5] mm/sparse-vmemmap: refactor core of vmemmap_populate_basepages() to helper
Date: Thu, 24 Feb 2022 11:10:37 +0800 [thread overview]
Message-ID: <CAMZfGtVD6XyjqrQ4RpDDPOSZCgo1NHXbfjeRwqi2KmUckW-6xA@mail.gmail.com> (raw)
In-Reply-To: <20220223194807.12070-3-joao.m.martins@oracle.com>
On Thu, Feb 24, 2022 at 3:48 AM Joao Martins <joao.m.martins@oracle.com> wrote:
>
> In preparation for describing a memmap with compound pages, move the
> actual pte population logic into a separate function
> vmemmap_populate_address() and have vmemmap_populate_basepages() walk
> through all base pages it needs to populate.
>
> While doing that, change the helper to use a pte_t* as return value,
> rather than an hardcoded errno of 0 or -ENOMEM.
>
> Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Reviewed-by: Muchun Song <songmuchun@bytedance.com>
Thanks.
next prev parent reply other threads:[~2022-02-24 3:11 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-23 19:48 [PATCH v6 0/5] sparse-vmemmap: memory savings for compound devmaps (device-dax) Joao Martins
2022-02-23 19:48 ` [PATCH v6 1/5] mm/sparse-vmemmap: add a pgmap argument to section activation Joao Martins
2022-02-24 3:02 ` Muchun Song
2022-02-24 10:38 ` Joao Martins
2022-02-23 19:48 ` [PATCH v6 2/5] mm/sparse-vmemmap: refactor core of vmemmap_populate_basepages() to helper Joao Martins
2022-02-24 3:10 ` Muchun Song [this message]
2022-02-24 10:39 ` Joao Martins
2022-02-23 19:48 ` [PATCH v6 3/5] mm/hugetlb_vmemmap: move comment block to Documentation/vm Joao Martins
2022-02-23 19:48 ` [PATCH v6 4/5] mm/sparse-vmemmap: improve memory savings for compound devmaps Joao Martins
2022-02-24 5:54 ` Muchun Song
2022-02-24 11:46 ` Joao Martins
2022-02-24 15:34 ` Muchun Song
2022-02-23 19:48 ` [PATCH v6 5/5] mm/page_alloc: reuse tail struct pages " Joao Martins
2022-02-24 5:57 ` Muchun Song
2022-02-24 11:47 ` Joao Martins
2022-02-24 15:41 ` Muchun Song
2022-02-24 16:49 ` Joao Martins
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