linux-kernel - Re: [PATCH 3/5] mm/vma: Replace all remaining open encodings with is_vm_hugetlb

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Date:   Mon, 17 Feb 2020 14:51:45 +0530
From:   Anshuman Khandual <anshuman.khandual@....com>
To:     linux-mm@...ck.org, linux-kernel@...r.kernel.org
Cc:     Paul Mackerras <paulus@...abs.org>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Will Deacon <will@...nel.org>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Nick Piggin <npiggin@...il.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Arnd Bergmann <arnd@...db.de>, Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        kvm-ppc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-fsdevel@...r.kernel.org, linux-arch@...r.kernel.org
Subject: Re: [PATCH 3/5] mm/vma: Replace all remaining open encodings with
 is_vm_hugetlb_page()

On 02/17/2020 10:33 AM, Anshuman Khandual wrote:
> This replaces all remaining open encodings with is_vm_hugetlb_page().
> 
> Cc: Paul Mackerras <paulus@...abs.org>
> Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> Cc: Michael Ellerman <mpe@...erman.id.au>
> Cc: Alexander Viro <viro@...iv.linux.org.uk>
> Cc: Will Deacon <will@...nel.org>
> Cc: "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>
> Cc: Andrew Morton <akpm@...ux-foundation.org>
> Cc: Nick Piggin <npiggin@...il.com>
> Cc: Peter Zijlstra <peterz@...radead.org>
> Cc: Arnd Bergmann <arnd@...db.de>
> Cc: Ingo Molnar <mingo@...hat.com>
> Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
> Cc: kvm-ppc@...r.kernel.org
> Cc: linuxppc-dev@...ts.ozlabs.org
> Cc: linux-kernel@...r.kernel.org
> Cc: linux-fsdevel@...r.kernel.org
> Cc: linux-arch@...r.kernel.org
> Cc: linux-mm@...ck.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
> ---
>  arch/powerpc/kvm/e500_mmu_host.c | 2 +-
>  fs/binfmt_elf.c                  | 2 +-
>  include/asm-generic/tlb.h        | 2 +-
>  kernel/events/core.c             | 3 ++-
>  4 files changed, 5 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/powerpc/kvm/e500_mmu_host.c b/arch/powerpc/kvm/e500_mmu_host.c
> index 425d13806645..3922575a1c31 100644
> --- a/arch/powerpc/kvm/e500_mmu_host.c
> +++ b/arch/powerpc/kvm/e500_mmu_host.c
> @@ -422,7 +422,7 @@ static inline int kvmppc_e500_shadow_map(struct kvmppc_vcpu_e500 *vcpu_e500,
>  				break;
>  			}
>  		} else if (vma && hva >= vma->vm_start &&
> -			   (vma->vm_flags & VM_HUGETLB)) {
> +			   (is_vm_hugetlb_page(vma))) {

Additional braces around is_vm_hugetlb_page() can be dropped here.