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Date: Thu, 31 Mar 2022 10:46:25 +0800 From: Muchun Song <songmuchun@...edance.com> To: Andrew Morton <akpm@...ux-foundation.org> Cc: Will Deacon <will@...nel.org>, David Hildenbrand <david@...hat.com>, "Bodeddula, Balasubramaniam" <bodeddub@...zon.com>, Oscar Salvador <osalvador@...e.de>, Mike Kravetz <mike.kravetz@...cle.com>, David Rientjes <rientjes@...gle.com>, Mark Rutland <mark.rutland@....com>, Catalin Marinas <catalin.marinas@....com>, james.morse@....com, Barry Song <21cnbao@...il.com>, LAK <linux-arm-kernel@...ts.infradead.org>, LKML <linux-kernel@...r.kernel.org>, Linux Memory Management List <linux-mm@...ck.org>, Xiongchun duan <duanxiongchun@...edance.com>, Fam Zheng <fam.zheng@...edance.com>, Muchun Song <smuchun@...il.com> Subject: Re: [PATCH v3] arm64: mm: hugetlb: Enable HUGETLB_PAGE_FREE_VMEMMAP for arm64 On Thu, Mar 31, 2022 at 10:41 AM Andrew Morton <akpm@...ux-foundation.org> wrote: > > On Wed, 30 Mar 2022 22:54:00 +0800 Muchun Song <songmuchun@...edance.com> wrote: > > > --- a/fs/Kconfig > > +++ b/fs/Kconfig > > @@ -247,7 +247,7 @@ config HUGETLB_PAGE > > > > config HUGETLB_PAGE_FREE_VMEMMAP > > def_bool HUGETLB_PAGE > > - depends on X86_64 > > + depends on X86_64 || ARM64 > > This list is just going to get longer, until someone goes and switches > it to use ARCH_WANT_HUGETLB_PAGE_FREE_VMEMMAP or whatever. Why not do > that now? Good suggestion. Yep, the line is going to be long if someone wants to enable it for other architectures in the future. Will do. Thanks.
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