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From: Mike Kravetz <mike.kravetz@oracle.com>
To: Muchun Song <songmuchun@bytedance.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Jonathan Corbet <corbet@lwn.net>,
	dave.hansen@linux.intel.com, hpa@zytor.com, x86@kernel.org,
	bp@alien8.de, mingo@redhat.com,
	Thomas Gleixner <tglx@linutronix.de>,
	pawan.kumar.gupta@linux.intel.com, mchehab+huawei@kernel.org,
	paulmck@kernel.org, viro@zeniv.linux.org.uk,
	Peter Zijlstra <peterz@infradead.org>,
	luto@kernel.org, oneukum@suse.com, jroedel@suse.de,
	Matthew Wilcox <willy@infradead.org>,
	David Rientjes <rientjes@google.com>,
	Mina Almasry <almasrymina@google.com>,
	Randy Dunlap <rdunlap@infradead.org>,
	anshuman.khandual@arm.com, Oscar Salvador <osalvador@suse.de>,
	Michal Hocko <mhocko@suse.com>,
	"Song Bao Hua (Barry Song)" <song.bao.hua@hisilicon.com>,
	Xiongchun duan <duanxiongchun@bytedance.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Linux Memory Management List <linux-mm@kvack.org>,
	linux-doc@vger.kernel.org,
	linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH v7 00/15] Free some vmemmap pages of hugetlb page
Date: Thu, 3 Dec 2020 15:48:32 -0800	[thread overview]
Message-ID: <600fd7e2-70b4-810f-8d12-62cba80af80d@oracle.com> (raw)
In-Reply-To: <CAMZfGtWvLEytN5gBN+OqntrNXNd3eNRWrfnkeCozvARmpTNAXw@mail.gmail.com>

On 12/3/20 12:35 AM, Muchun Song wrote:
> On Mon, Nov 30, 2020 at 11:19 PM Muchun Song <songmuchun@bytedance.com> wrote:
>>
>> Hi all,
>>
>> This patch series will free some vmemmap pages(struct page structures)
>> associated with each hugetlbpage when preallocated to save memory.
> 
> Hi Mike,
> 
> What's your opinion on this version?  Any comments or suggestions?
> And hoping you or more people review the series. Thank you very
> much.

Sorry Muchun, I have been busy with other things and have not looked at
this new version.  Should have some time soon.

As previously mentioned, I feel qualified to review the hugetlb changes
and some other closely related changes.  However, this patch set is
touching quite a few areas and I do not feel qualified to make authoritative
statements about them all.  I too hope others will take a look.
-- 
Mike Kravetz

  reply	other threads:[~2020-12-03 23:50 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-30 15:18 [PATCH v7 00/15] Free some vmemmap pages of hugetlb page Muchun Song
2020-11-30 15:18 ` [PATCH v7 01/15] mm/memory_hotplug: Move bootmem info registration API to bootmem_info.c Muchun Song
2020-12-07 12:12   ` David Hildenbrand
2020-11-30 15:18 ` [PATCH v7 02/15] mm/memory_hotplug: Move {get,put}_page_bootmem() " Muchun Song
2020-12-07 12:14   ` David Hildenbrand
2020-12-07 12:16     ` [External] " Muchun Song
2020-11-30 15:18 ` [PATCH v7 03/15] mm/hugetlb: Introduce a new config HUGETLB_PAGE_FREE_VMEMMAP Muchun Song
2020-12-07 12:19   ` David Hildenbrand
2020-12-07 12:42     ` [External] " Muchun Song
2020-12-07 12:47       ` David Hildenbrand
2020-12-07 13:22         ` Muchun Song
2020-11-30 15:18 ` [PATCH v7 04/15] mm/hugetlb: Introduce nr_free_vmemmap_pages in the struct hstate Muchun Song
2020-12-07 12:36   ` David Hildenbrand
2020-12-07 13:11     ` [External] " Muchun Song
2020-12-09  8:54       ` David Hildenbrand
2020-12-09  9:27         ` Muchun Song
2020-11-30 15:18 ` [PATCH v7 05/15] mm/bootmem_info: Introduce {free,prepare}_vmemmap_page() Muchun Song
2020-12-07 12:39   ` David Hildenbrand
2020-12-07 13:23     ` [External] " Muchun Song
2020-12-09  7:36     ` Muchun Song
2020-12-09  8:49       ` David Hildenbrand
2020-12-09  9:25         ` Muchun Song
2020-12-09  9:32           ` David Hildenbrand
2020-12-09  9:43             ` Muchun Song
2020-11-30 15:18 ` [PATCH v7 06/15] mm/hugetlb: Disable freeing vmemmap if struct page size is not power of two Muchun Song
2020-12-09  9:57   ` David Hildenbrand
2020-12-09 10:03     ` [External] " Muchun Song
2020-12-09 10:06       ` David Hildenbrand
2020-12-09 10:10         ` David Hildenbrand
2020-12-09 10:16           ` Muchun Song
2020-12-09 15:13           ` Muchun Song
2020-12-09 15:47             ` David Hildenbrand
2020-12-09 15:50               ` Muchun Song
2020-12-09 10:10         ` Muchun Song
2020-11-30 15:18 ` [PATCH v7 07/15] x86/mm/64: Disable PMD page mapping of vmemmap Muchun Song
2020-11-30 15:18 ` [PATCH v7 08/15] mm/hugetlb: Free the vmemmap pages associated with each hugetlb page Muchun Song
2020-11-30 15:18 ` [PATCH v7 09/15] mm/hugetlb: Defer freeing of HugeTLB pages Muchun Song
2020-11-30 15:18 ` [PATCH v7 10/15] mm/hugetlb: Allocate the vmemmap pages associated with each hugetlb page Muchun Song
2020-11-30 15:18 ` [PATCH v7 11/15] mm/hugetlb: Set the PageHWPoison to the raw error page Muchun Song
2020-11-30 15:18 ` [PATCH v7 12/15] mm/hugetlb: Flush work when dissolving hugetlb page Muchun Song
2020-11-30 15:18 ` [PATCH v7 13/15] mm/hugetlb: Add a kernel parameter hugetlb_free_vmemmap Muchun Song
2020-12-04  0:01   ` Song Bao Hua (Barry Song)
2020-11-30 15:18 ` [PATCH v7 14/15] mm/hugetlb: Gather discrete indexes of tail page Muchun Song
2020-11-30 15:18 ` [PATCH v7 15/15] mm/hugetlb: Add BUILD_BUG_ON to catch invalid usage of tail struct page Muchun Song
2020-12-03  8:35 ` [PATCH v7 00/15] Free some vmemmap pages of hugetlb page Muchun Song
2020-12-03 23:48   ` Mike Kravetz [this message]
2020-12-04  3:39     ` [External] " Muchun Song
2020-12-07 18:38       ` Oscar Salvador
2020-12-08  2:26         ` Muchun Song

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