From: Peter Xu <peterx@redhat.com>
To: Mike Kravetz <mike.kravetz@oracle.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Axel Rasmussen <axelrasmussen@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Mike Rapoport <rppt@linux.vnet.ibm.com>,
"Kirill A . Shutemov" <kirill@shutemov.name>,
Matthew Wilcox <willy@infradead.org>,
Andrea Arcangeli <aarcange@redhat.com>
Subject: Re: [PATCH v3 1/4] hugetlb: Pass vma into huge_pte_alloc() and huge_pmd_share()
Date: Thu, 18 Feb 2021 17:27:57 -0500 [thread overview]
Message-ID: <20210218222757.GA6669@xz-x1> (raw)
In-Reply-To: <76fee968-cfc2-787f-7e48-af781563756e@oracle.com>
On Thu, Feb 18, 2021 at 02:13:52PM -0800, Mike Kravetz wrote:
> On 2/18/21 1:54 PM, Peter Xu wrote:
> > It is a preparation work to be able to behave differently in the per
> > architecture huge_pte_alloc() according to different VMA attributes.
>
> > diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c
> > index ad4b42f04988..97e0824fdbe7 100644
> > --- a/arch/sparc/mm/hugetlbpage.c
> > +++ b/arch/sparc/mm/hugetlbpage.c
> > @@ -280,6 +280,7 @@ unsigned long pmd_leaf_size(pmd_t pmd) { return 1UL << tte_to_shift(*(pte_t *)&p
> > unsigned long pte_leaf_size(pte_t pte) { return 1UL << tte_to_shift(pte); }
> >
> > pte_t *huge_pte_alloc(struct mm_struct *mm,
> > +pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
> > unsigned long addr, unsigned long sz)
> > {
> > pgd_t *pgd;
>
> Didn't kernel test robot report this build error on the first patch series?
That seems to be irrelevant of this series:
arch/sparc/mm/hugetlbpage.c:269:22: error: 'huge_tte_to_size' defined but not used [-Werror=unused-function]
Thanks,
--
Peter Xu
next prev parent reply other threads:[~2021-02-18 22:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-18 21:54 [PATCH v3 0/4] hugetlb: Disable huge pmd unshare for uffd-wp Peter Xu
2021-02-18 21:54 ` [PATCH v3 1/4] hugetlb: Pass vma into huge_pte_alloc() and huge_pmd_share() Peter Xu
2021-02-18 22:13 ` Mike Kravetz
2021-02-18 22:27 ` Peter Xu [this message]
2021-02-18 22:38 ` Mike Kravetz
2021-02-18 23:02 ` Peter Xu
2021-02-18 21:55 ` [PATCH v3 2/4] hugetlb/userfaultfd: Forbid huge pmd sharing when uffd enabled Peter Xu
2021-02-18 21:55 ` [PATCH v3 3/4] mm/hugetlb: Move flush_hugetlb_tlb_range() into hugetlb.h Peter Xu
2021-02-18 21:55 ` [PATCH v3 4/4] hugetlb/userfaultfd: Unshare all pmds for hugetlbfs when register wp Peter Xu
2021-02-18 22:18 ` Mike Kravetz
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