From: Mike Kravetz <mike.kravetz@oracle.com>
To: Muchun Song <songmuchun@bytedance.com>,
akpm@linux-foundation.org, osalvador@suse.de, mhocko@suse.com,
song.bao.hua@hisilicon.com, david@redhat.com,
chenhuang5@huawei.com, bodeddub@amazon.com, corbet@lwn.net
Cc: duanxiongchun@bytedance.com, fam.zheng@bytedance.com,
zhengqi.arch@bytedance.com, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 4/5] mm: sparsemem: use huge PMD mapping for vmemmap pages
Date: Thu, 10 Jun 2021 15:49:35 -0700 [thread overview]
Message-ID: <e1383b21-1ad6-a74c-d4b6-e759e7371a89@oracle.com> (raw)
In-Reply-To: <20210609121310.62229-5-songmuchun@bytedance.com>
On 6/9/21 5:13 AM, Muchun Song wrote:
> The preparation of splitting huge PMD mapping of vmemmap pages is ready,
> so switch the mapping from PTE to PMD.
>
> Signed-off-by: Muchun Song <songmuchun@bytedance.com>
> ---
> Documentation/admin-guide/kernel-parameters.txt | 7 -------
> arch/x86/mm/init_64.c | 8 ++------
> include/linux/hugetlb.h | 25 ++++++-------------------
> mm/memory_hotplug.c | 2 +-
> 4 files changed, 9 insertions(+), 33 deletions(-)
This pretty much removes all the code previously added to disable PMD
mapping if vmemmap optimizations were requested.
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
--
Mike Kravetz
next prev parent reply other threads:[~2021-06-10 22:50 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-09 12:13 [PATCH 0/5] Split huge PMD mapping of vmemmap pages Muchun Song
2021-06-09 12:13 ` [PATCH 1/5] mm: hugetlb: introduce helpers to preallocate/free page tables Muchun Song
2021-06-10 21:49 ` Mike Kravetz
2021-06-09 12:13 ` [PATCH 2/5] mm: hugetlb: introduce helpers to preallocate page tables from bootmem allocator Muchun Song
2021-06-10 22:13 ` Mike Kravetz
2021-06-09 12:13 ` [PATCH 3/5] mm: sparsemem: split the huge PMD mapping of vmemmap pages Muchun Song
2021-06-10 22:35 ` Mike Kravetz
2021-06-11 7:52 ` [External] " Muchun Song
2021-06-11 12:35 ` Muchun Song
2021-06-09 12:13 ` [PATCH 4/5] mm: sparsemem: use huge PMD mapping for " Muchun Song
2021-06-10 22:49 ` Mike Kravetz [this message]
2021-06-09 12:13 ` [PATCH 5/5] mm: hugetlb: introduce CONFIG_HUGETLB_PAGE_FREE_VMEMMAP_DEFAULT_ON Muchun Song
2021-06-10 21:32 ` [PATCH 0/5] Split huge PMD mapping of vmemmap pages Mike Kravetz
2021-06-11 3:23 ` [External] " Muchun Song
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=e1383b21-1ad6-a74c-d4b6-e759e7371a89@oracle.com \
--to=mike.kravetz@oracle.com \
--cc=akpm@linux-foundation.org \
--cc=bodeddub@amazon.com \
--cc=chenhuang5@huawei.com \
--cc=corbet@lwn.net \
--cc=david@redhat.com \
--cc=duanxiongchun@bytedance.com \
--cc=fam.zheng@bytedance.com \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mhocko@suse.com \
--cc=osalvador@suse.de \
--cc=song.bao.hua@hisilicon.com \
--cc=songmuchun@bytedance.com \
--cc=zhengqi.arch@bytedance.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.