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From: Michal Hocko <mhocko@suse.com>
To: Mike Kravetz <mike.kravetz@oracle.com>
Cc: "Liam R. Howlett" <Liam.Howlett@oracle.com>,
	linux-mm@kvack.org, akpm@linux-foundation.org,
	n-horiguchi@ah.jp.nec.com, aneesh.kumar@linux.vnet.ibm.com,
	gerald.schaefer@de.ibm.com, zhongjiang@huawei.com,
	aarcange@redhat.com, kirill.shutemov@linux.intel.com
Subject: Re: [PATCH] mm/hugetlb: Warn the user when issues arise on boot due to hugepages
Date: Wed, 14 Jun 2017 09:27:25 +0200	[thread overview]
Message-ID: <20170614072725.GH6045@dhcp22.suse.cz> (raw)
In-Reply-To: <a855a155-c952-ac6b-04b9-aa7869403c52@oracle.com>

On Tue 13-06-17 09:26:15, Mike Kravetz wrote:
> A thought somewhat related to this discussion:
> 
> I noticed that huge pages specified on the kernel command line are allocated
> via 'subsys_initcall'.  This is before 'fs_initcall', even though these huge
> pages are only used by hugetlbfs.  Was just thinking that it might be better
> to move huge page allocations to later in the init process.  At least make
> them part of fs_initcall if not late_initcall?
> 
> Only reason for doing this is because huge page allocations are fairly
> tolerant of allocation failure.

I am not really familiar with the initcall hierarchy to be honest. I
even do not understand what relattion does fs_initcall have to
allocation failures. Could you be more specific?

-- 
Michal Hocko
SUSE Labs

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  reply	other threads:[~2017-06-14  7:27 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-03  0:54 [PATCH] mm/hugetlb: Warn the user when issues arise on boot due to hugepages Liam R. Howlett
2017-06-05  4:57 ` Michal Hocko
2017-06-05 15:15   ` Liam R. Howlett
2017-06-06  5:49     ` Michal Hocko
2017-06-06  6:01       ` Michal Hocko
2017-06-12 17:28         ` Liam R. Howlett
2017-06-12 17:49           ` Michal Hocko
2017-06-12 18:37             ` Liam R. Howlett
2017-06-12 18:52               ` Michal Hocko
2017-06-13  1:35                 ` Liam R. Howlett
2017-06-13  5:42                   ` Michal Hocko
2017-06-13 15:25                     ` Liam R. Howlett
2017-06-13 16:26                       ` Mike Kravetz
2017-06-14  7:27                         ` Michal Hocko [this message]
2017-06-14 17:02                           ` Mike Kravetz
2017-06-14  7:25                       ` Michal Hocko
2017-06-16 19:07                   ` Andrew Morton
2017-06-17  0:25                     ` Mike Kravetz
2017-06-17  6:51                     ` Michal Hocko
2017-06-19 19:59                       ` Liam R. Howlett
2017-06-05 22:38 ` Andrew Morton
2017-06-06 19:03   ` Matthew Wilcox

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