linux-kernel - Re: [PATCH 02/19] mm: Drop is_huge_zero

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Message-ID: <b7aa9bbc-d8df-43fb-9920-160835713c24@redhat.com>
Date: Fri, 9 Aug 2024 18:34:55 +0200
From: David Hildenbrand <david@...hat.com>
To: Peter Xu <peterx@...hat.com>, linux-mm@...ck.org,
 linux-kernel@...r.kernel.org
Cc: Sean Christopherson <seanjc@...gle.com>,
 Oscar Salvador <osalvador@...e.de>, Jason Gunthorpe <jgg@...dia.com>,
 Axel Rasmussen <axelrasmussen@...gle.com>,
 linux-arm-kernel@...ts.infradead.org, x86@...nel.org,
 Will Deacon <will@...nel.org>, Gavin Shan <gshan@...hat.com>,
 Paolo Bonzini <pbonzini@...hat.com>, Zi Yan <ziy@...dia.com>,
 Andrew Morton <akpm@...ux-foundation.org>,
 Catalin Marinas <catalin.marinas@....com>, Ingo Molnar <mingo@...hat.com>,
 Alistair Popple <apopple@...dia.com>, Borislav Petkov <bp@...en8.de>,
 Thomas Gleixner <tglx@...utronix.de>, kvm@...r.kernel.org,
 Dave Hansen <dave.hansen@...ux.intel.com>,
 Alex Williamson <alex.williamson@...hat.com>, Yan Zhao
 <yan.y.zhao@...el.com>, Matthew Wilcox <willy@...radead.org>,
 "Aneesh Kumar K . V" <aneesh.kumar@...ux.ibm.com>
Subject: Re: [PATCH 02/19] mm: Drop is_huge_zero_pud()

On 09.08.24 18:08, Peter Xu wrote:
> It constantly returns false since 2017.  One assertion is added in 2019 but
> it should never have triggered, IOW it means what is checked should be
> asserted instead.
> 
> If it didn't exist for 7 years maybe it's good idea to remove it and only
> add it when it comes.
> 
> Cc: Matthew Wilcox <willy@...radead.org>
> Cc: Aneesh Kumar K.V <aneesh.kumar@...ux.ibm.com>
> Signed-off-by: Peter Xu <peterx@...hat.com>
> ---

Out with it

Acked-by: David Hildenbrand <david@...hat.com>

-- 
Cheers,

David / dhildenb