From: Anshuman Khandual <anshuman.khandual@arm.com>
To: Mike Kravetz <mike.kravetz@oracle.com>, Michal Hocko <mhocko@kernel.org>
Cc: akpm@linux-foundation.org, ard.biesheuvel@linaro.org,
broonie@kernel.org, christophe.leroy@c-s.fr,
dan.j.williams@intel.com, dave.hansen@intel.com,
davem@davemloft.net, gerald.schaefer@de.ibm.com,
gregkh@linuxfoundation.org, heiko.carstens@de.ibm.com,
jgg@ziepe.ca, jhogan@kernel.org, keescook@chromium.org,
kirill@shutemov.name, linux@armlinux.org.uk,
mark.rutland@arm.com, mm-commits@vger.kernel.org,
mpe@ellerman.id.au, paul.burton@mips.com, paulus@samba.org,
penguin-kernel@i-love.sakura.ne.jp, peterz@infradead.org,
ralf@linux-mips.org, rppt@linux.vnet.ibm.com,
schowdary@nvidia.com, schwidefsky@de.ibm.com,
Steven.Price@arm.com, tglx@linutronix.de, vbabka@suse.cz,
vgupta@synopsys.com, willy@infradead.org,
yamada.masahiro@socionext.com, linux-mm@kvack.org
Subject: Re: + mm-hugetlb-make-alloc_gigantic_page-available-for-general-use.patch added to -mm tree
Date: Tue, 15 Oct 2019 15:27:46 +0530 [thread overview]
Message-ID: <87be189d-6fb5-1cfb-4a39-714e75ff866c@arm.com> (raw)
In-Reply-To: <f3c06f5c-56ea-d9f3-cd9d-ca206521144d@oracle.com>
On 10/14/2019 10:22 PM, Mike Kravetz wrote:
> On 10/14/19 6:08 AM, Anshuman Khandual wrote:
>> On 10/14/2019 06:30 PM, Michal Hocko wrote:
>>>
>>> OK, thanks for the clarification. This all means that this patch is not
>>> the right approach. If you need a more generic alloc_contig_range then
>>> add it to page_alloc.c and make it completely independent on the hugetlb
>>> config and the code. Hugetlb allocator can reuse that helper.
>
> Should we revisit this previous attempt at such an interface?
>
> https://lkml.org/lkml/2018/4/16/1072
>
> This looks like another use case.
>
The current proposal [v6] does not go far enough to unify all callers
of alloc_contig_range() looking for contiguous pages of certain size,
but instead it just tries not to duplicate HugeTLB gigantic allocation
code in the test case for it's purpose.
next prev parent reply other threads:[~2019-10-15 9:57 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20191011202932.GZoUOoURm%akpm@linux-foundation.org>
2019-10-14 12:17 ` + mm-hugetlb-make-alloc_gigantic_page-available-for-general-use.patch added to -mm tree Michal Hocko
2019-10-14 12:53 ` Anshuman Khandual
2019-10-14 13:00 ` Michal Hocko
2019-10-14 13:08 ` Anshuman Khandual
2019-10-14 13:21 ` Michal Hocko
2019-10-14 16:52 ` Mike Kravetz
2019-10-15 9:57 ` Anshuman Khandual [this message]
2019-10-15 10:31 ` Michal Hocko
2019-10-15 10:34 ` Anshuman Khandual
2019-10-14 20:29 ` Matthew Wilcox
2019-10-15 9:30 ` Anshuman Khandual
2019-10-15 11:24 ` Matthew Wilcox
2019-10-15 11:36 ` Michal Hocko
2019-10-15 12:14 ` Anshuman Khandual
2019-10-16 8:55 ` Anshuman Khandual
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