linux-kernel - Re: [PATCH v8 4/4] hugetlb: allow to free gigantic pages regardless of the configuration

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Message-ID: <206f6cc5-51a8-05cb-0d4d-4d07bbdadc7d@ghiti.fr>
Date:   Fri, 29 Mar 2019 02:54:26 -0400
From:   Alex Ghiti <alex@...ti.fr>
To:     Mike Kravetz <mike.kravetz@...cle.com>
Cc:     aneesh.kumar@...ux.ibm.com, mpe@...erman.id.au,
        Andrew Morton <akpm@...ux-foundation.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Martin Schwidefsky <schwidefsky@...ibm.com>,
        Heiko Carstens <heiko.carstens@...ibm.com>,
        Yoshinori Sato <ysato@...rs.sourceforge.jp>,
        Rich Felker <dalias@...c.org>,
        "David S . Miller" <davem@...emloft.net>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H . Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andy Lutomirski <luto@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linuxppc-dev@...ts.ozlabs.org, linux-s390@...r.kernel.org,
        linux-sh@...r.kernel.org, sparclinux@...r.kernel.org,
        linux-mm@...ck.org
Subject: Re: [PATCH v8 4/4] hugetlb: allow to free gigantic pages regardless
 of the configuration

On 3/28/19 4:43 PM, Mike Kravetz wrote:
> On 3/26/19 11:36 PM, Alexandre Ghiti wrote:
>> On systems without CONTIG_ALLOC activated but that support gigantic pages,
>> boottime reserved gigantic pages can not be freed at all. This patch
>> simply enables the possibility to hand back those pages to memory
>> allocator.
>>
>> Signed-off-by: Alexandre Ghiti <alex@...ti.fr>
>> Acked-by: David S. Miller <davem@...emloft.net> [sparc]
> Thanks for all the updates
>
> Reviewed-by: Mike Kravetz <mike.kravetz@...cle.com>

Thanks for all your reviews :)

Alex