From: Muchun Song <songmuchun@bytedance.com>
To: Mike Kravetz <mike.kravetz@oracle.com>
Cc: "Jonathan Corbet" <corbet@lwn.net>,
"Thomas Gleixner" <tglx@linutronix.de>,
mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com,
dave.hansen@linux.intel.com, luto@kernel.org,
"Peter Zijlstra" <peterz@infradead.org>,
viro@zeniv.linux.org.uk,
"Andrew Morton" <akpm@linux-foundation.org>,
paulmck@kernel.org, mchehab+huawei@kernel.org,
pawan.kumar.gupta@linux.intel.com,
"Randy Dunlap" <rdunlap@infradead.org>,
oneukum@suse.com, anshuman.khandual@arm.com, jroedel@suse.de,
"Mina Almasry" <almasrymina@google.com>,
"David Rientjes" <rientjes@google.com>,
"Matthew Wilcox" <willy@infradead.org>,
"Oscar Salvador" <osalvador@suse.de>,
"Michal Hocko" <mhocko@suse.com>,
"Song Bao Hua (Barry Song)" <song.bao.hua@hisilicon.com>,
"David Hildenbrand" <david@redhat.com>,
"HORIGUCHI NAOYA(堀口 直也)" <naoya.horiguchi@nec.com>,
"Xiongchun duan" <duanxiongchun@bytedance.com>,
linux-doc@vger.kernel.org, LKML <linux-kernel@vger.kernel.org>,
"Linux Memory Management List" <linux-mm@kvack.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [External] Re: [PATCH v12 03/13] mm: Introduce VM_WARN_ON_PAGE macro
Date: Thu, 14 Jan 2021 10:50:51 +0800 [thread overview]
Message-ID: <CAMZfGtXUx5y80f5JSgTnDdLUDouiKkWGy=b8R3OrNW8WCOr=hw@mail.gmail.com> (raw)
In-Reply-To: <65b2103d-6198-3380-d36e-17dd774359bd@oracle.com>
On Thu, Jan 14, 2021 at 6:31 AM Mike Kravetz <mike.kravetz@oracle.com> wrote:
>
> On 1/6/21 6:19 AM, Muchun Song wrote:
> > Very similar to VM_WARN_ON_ONCE_PAGE and VM_BUG_ON_PAGE, add
> > VM_WARN_ON_PAGE macro.
> >
> > Signed-off-by: Muchun Song <songmuchun@bytedance.com>
> > ---
> > include/linux/mmdebug.h | 8 ++++++++
> > 1 file changed, 8 insertions(+)
>
> I was going to question the use/need for this macro in the following
> patch. Looks like Oscar has already done that, and free_bootmem_page
> will now use VM_BUG_ON_PAGE. So, this patch can be dropped.
In the previous version, Oscar suggested I use WARN_ON instead of
BUG_ON. But he realised we actually should use BUG_ON in this
version. So I will drop this in the next version. Thanks.
>
> --
> Mike Kravetz
next prev parent reply other threads:[~2021-01-14 2:51 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-06 14:19 [PATCH v12 00/13] Free some vmemmap pages of HugeTLB page Muchun Song
2021-01-06 14:19 ` [PATCH v12 01/13] mm/memory_hotplug: Factor out bootmem core functions to bootmem_info.c Muchun Song
2021-01-06 14:19 ` [PATCH v12 02/13] mm/hugetlb: Introduce a new config HUGETLB_PAGE_FREE_VMEMMAP Muchun Song
2021-01-06 14:19 ` [PATCH v12 03/13] mm: Introduce VM_WARN_ON_PAGE macro Muchun Song
2021-01-13 22:30 ` Mike Kravetz
2021-01-14 2:50 ` Muchun Song [this message]
2021-01-06 14:19 ` [PATCH v12 04/13] mm/hugetlb: Free the vmemmap pages associated with each HugeTLB page Muchun Song
2021-01-12 8:04 ` Oscar Salvador
2021-01-12 11:33 ` [External] " Muchun Song
2021-01-13 9:20 ` Oscar Salvador
2021-01-13 23:27 ` Mike Kravetz
2021-01-14 10:54 ` Muchun Song
2021-01-14 11:52 ` Oscar Salvador
2021-01-14 13:05 ` Muchun Song
2021-01-14 10:57 ` Muchun Song
2021-01-06 14:19 ` [PATCH v12 05/13] mm/hugetlb: Defer freeing of HugeTLB pages Muchun Song
2021-01-06 14:19 ` [PATCH v12 06/13] mm/hugetlb: Allocate the vmemmap pages associated with each HugeTLB page Muchun Song
2021-01-06 14:19 ` [PATCH v12 07/13] mm/hugetlb: Set the PageHWPoison to the raw error page Muchun Song
2021-01-06 14:19 ` [PATCH v12 08/13] mm/hugetlb: Flush work when dissolving a HugeTLB page Muchun Song
2021-01-06 14:19 ` [PATCH v12 09/13] mm/hugetlb: Introduce PageHugeInflight Muchun Song
2021-01-06 14:19 ` [PATCH v12 10/13] mm/hugetlb: Add a kernel parameter hugetlb_free_vmemmap Muchun Song
2021-01-06 14:19 ` [PATCH v12 11/13] mm/hugetlb: Introduce nr_free_vmemmap_pages in the struct hstate Muchun Song
2021-01-06 14:19 ` [PATCH v12 12/13] mm/hugetlb: Gather discrete indexes of tail page Muchun Song
2021-01-14 0:18 ` Mike Kravetz
2021-01-14 2:47 ` [External] " Muchun Song
2021-01-06 14:19 ` [PATCH v12 13/13] mm/hugetlb: Optimize the code with the help of the compiler Muchun Song
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