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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210218222757.GA6669@xz-x1 \
--to=peterx@redhat.com \
--cc=aarcange@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=axelrasmussen@google.com \
--cc=kirill@shutemov.name \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=mike.kravetz@oracle.com \
--cc=rppt@linux.vnet.ibm.com \
--cc=willy@infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.