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From: Mike Rapoport <rppt@linux.vnet.ibm.com>
To: Hillf Danton <hillf.zj@alibaba-inc.com>
Cc: 'Andrea Arcangeli' <aarcange@redhat.com>,
	'Andrew Morton' <akpm@linux-foundation.org>,
	linux-mm@kvack.org,
	"Dr. David Alan Gilbert" <dgilbert@redhat.com>,
	Mike Kravetz <mike.kravetz@oracle.com>, Shaohua Li <shli@fb.com>,
	Pavel Emelyanov <xemul@virtuozzo.com>
Subject: Re: [PATCH 11/33] userfaultfd: non-cooperative: Add mremap() event
Date: Thu, 3 Nov 2016 11:52:32 -0600	[thread overview]
Message-ID: <20161103175231.GA21803@rapoport-lnx> (raw)
In-Reply-To: <072901d235a5$a8826700$f9873500$@alibaba-inc.com>

(changed 'CC:
- Michael Rapoport <RAPOPORT@il.ibm.com>,
- Dr. David Alan Gilbert@v2.random,  <dgilbert@redhat.com>,
+ Dr. David Alan Gilbert  <dgilbert@redhat.com>,
- Pavel Emelyanov <xemul@parallels.com>@v2.random
+ Pavel Emelyanov <xemul@virtuozzo.com>
)

On Thu, Nov 03, 2016 at 03:41:15PM +0800, Hillf Danton wrote:
> On Thursday, November 03, 2016 3:34 AM Andrea Arcangeli wrote:
> > @@ -576,7 +581,8 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
> >  			goto out;
> >  		}
> > 
> > -		ret = move_vma(vma, addr, old_len, new_len, new_addr, &locked);
> > +		ret = move_vma(vma, addr, old_len, new_len, new_addr,
> > +			       &locked, &uf);
> >  	}
> >  out:
> >  	if (offset_in_page(ret)) {
> > @@ -586,5 +592,6 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len,
> >  	up_write(&current->mm->mmap_sem);
> >  	if (locked && new_len > old_len)
> >  		mm_populate(new_addr + old_len, new_len - old_len);
> > +	mremap_userfaultfd_complete(uf, addr, new_addr, old_len);
> 
> nit: s/uf/&uf/

Thanks, will fix.

> 
> >  	return ret;
> >  }
> > 
> 

--
Sincerely yours,
Mike.

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  reply	other threads:[~2016-11-03 17:52 UTC|newest]

Thread overview: 69+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-11-02 19:33 [PATCH 00/33] userfaultfd tmpfs/hugetlbfs/non-cooperative Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 01/33] userfaultfd: document _IOR/_IOW Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 02/33] userfaultfd: correct comment about UFFD_FEATURE_PAGEFAULT_FLAG_WP Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 03/33] userfaultfd: convert BUG() to WARN_ON_ONCE() Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 04/33] userfaultfd: use vma_is_anonymous Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 05/33] userfaultfd: non-cooperative: Split the find_userfault() routine Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 06/33] userfaultfd: non-cooperative: Add ability to report non-PF events from uffd descriptor Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 07/33] userfaultfd: non-cooperative: report all available features to userland Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 08/33] userfaultfd: non-cooperative: Add fork() event Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 09/33] userfaultfd: non-cooperative: Add fork() event, build warning fix Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 10/33] userfaultfd: non-cooperative: dup_userfaultfd: use mm_count instead of mm_users Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 11/33] userfaultfd: non-cooperative: Add mremap() event Andrea Arcangeli
2016-11-03  7:41   ` Hillf Danton
2016-11-03 17:52     ` Mike Rapoport [this message]
2016-11-04 15:40     ` Mike Rapoport
2016-11-02 19:33 ` [PATCH 12/33] userfaultfd: non-cooperative: Add madvise() event for MADV_DONTNEED request Andrea Arcangeli
2016-11-03  8:01   ` Hillf Danton
2016-11-03 17:24     ` Mike Rapoport
2016-11-04 16:40       ` [PATCH 12/33] userfaultfd: non-cooperative: Add madvise() event for MADV_DONTNEED requestg Andrea Arcangeli
2016-11-04 15:42     ` [PATCH 12/33] userfaultfd: non-cooperative: Add madvise() event for MADV_DONTNEED request Mike Rapoport
2016-11-02 19:33 ` [PATCH 13/33] userfaultfd: hugetlbfs: add copy_huge_page_from_user for hugetlb userfaultfd support Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 14/33] userfaultfd: hugetlbfs: add hugetlb_mcopy_atomic_pte for " Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 15/33] userfaultfd: hugetlbfs: add __mcopy_atomic_hugetlb for huge page UFFDIO_COPY Andrea Arcangeli
2016-11-03 10:15   ` Hillf Danton
2016-11-03 17:33     ` Mike Kravetz
2016-11-03 19:14       ` Mike Kravetz
2016-11-04  6:43         ` Hillf Danton
2016-11-04 19:36         ` Andrea Arcangeli
2016-11-04 20:34           ` Mike Kravetz
2016-11-08 21:06           ` Mike Kravetz
2016-11-16 18:28             ` Andrea Arcangeli
2016-11-16 18:53               ` Mike Kravetz
2016-11-17 15:40                 ` Andrea Arcangeli
2016-11-17 19:26                   ` Mike Kravetz
2016-11-18  0:05                     ` Andrea Arcangeli
2016-11-18  5:52                       ` Mike Kravetz
2016-11-22  1:16                         ` Mike Kravetz
2016-11-23  6:38                           ` Hillf Danton
2016-12-15 19:02                             ` Andrea Arcangeli
2016-12-16  3:54                               ` Hillf Danton
2016-11-17 19:41               ` Mike Kravetz
2016-11-04 16:35       ` Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 16/33] userfaultfd: hugetlbfs: add userfaultfd hugetlb hook Andrea Arcangeli
2016-11-04  7:02   ` Hillf Danton
2016-11-02 19:33 ` [PATCH 17/33] userfaultfd: hugetlbfs: allow registration of ranges containing huge pages Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 18/33] userfaultfd: hugetlbfs: add userfaultfd_hugetlb test Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 19/33] userfaultfd: hugetlbfs: userfaultfd_huge_must_wait for hugepmd ranges Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 20/33] userfaultfd: introduce vma_can_userfault Andrea Arcangeli
2016-11-04  7:39   ` Hillf Danton
2016-11-02 19:33 ` [PATCH 21/33] userfaultfd: shmem: add shmem_mcopy_atomic_pte for userfaultfd support Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 22/33] userfaultfd: shmem: introduce vma_is_shmem Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 23/33] userfaultfd: shmem: add tlbflush.h header for microblaze Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 24/33] userfaultfd: shmem: use shmem_mcopy_atomic_pte for shared memory Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 25/33] userfaultfd: shmem: add userfaultfd hook for shared memory faults Andrea Arcangeli
2016-11-04  8:59   ` Hillf Danton
2016-11-04 14:53     ` Mike Rapoport
2016-11-04 15:44     ` Mike Rapoport
2016-11-04 16:56       ` Andrea Arcangeli
2016-11-18  0:37       ` Andrea Arcangeli
2016-11-20 12:10         ` Mike Rapoport
2016-11-02 19:33 ` [PATCH 26/33] userfaultfd: shmem: allow registration of shared memory ranges Andrea Arcangeli
2016-11-02 19:33 ` [PATCH 27/33] userfaultfd: shmem: add userfaultfd_shmem test Andrea Arcangeli
2016-11-02 19:34 ` [PATCH 28/33] userfaultfd: shmem: lock the page before adding it to pagecache Andrea Arcangeli
2016-11-02 19:34 ` [PATCH 29/33] userfaultfd: shmem: avoid leaking blocks and used blocks in UFFDIO_COPY Andrea Arcangeli
2016-11-02 19:34 ` [PATCH 30/33] userfaultfd: non-cooperative: selftest: introduce userfaultfd_open Andrea Arcangeli
2016-11-02 19:34 ` [PATCH 31/33] userfaultfd: non-cooperative: selftest: add ufd parameter to copy_page Andrea Arcangeli
2016-11-02 19:34 ` [PATCH 32/33] userfaultfd: non-cooperative: selftest: add test for FORK, MADVDONTNEED and REMAP events Andrea Arcangeli
2016-11-02 19:34 ` [PATCH 33/33] mm: mprotect: use pmd_trans_unstable instead of taking the pmd_lock Andrea Arcangeli
2016-11-02 20:07 ` [PATCH 00/33] userfaultfd tmpfs/hugetlbfs/non-cooperative Andrea Arcangeli

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