From: "Hillf Danton" <hillf.zj@alibaba-inc.com>
To: 'Andrea Arcangeli' <aarcange@redhat.com>,
'Andrew Morton' <akpm@linux-foundation.org>
Cc: linux-mm@kvack.org, 'Michael Rapoport' <RAPOPORT@il.ibm.com>,
"Dr. David Alan Gilbert"@v2.random, " <dgilbert@redhat.com>,
Mike Kravetz <mike.kravetz@oracle.com>,
Shaohua Li <shli@fb.com>,
Pavel Emelyanov <xemul@parallels.com>"@v2.random
Subject: Re: [PATCH 11/33] userfaultfd: non-cooperative: Add mremap() event
Date: Thu, 03 Nov 2016 15:41:15 +0800 [thread overview]
Message-ID: <072901d235a5$a8826700$f9873500$@alibaba-inc.com> (raw)
In-Reply-To: <1478115245-32090-12-git-send-email-aarcange@redhat.com>
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(¤t->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/
> return ret;
> }
>
--
To unsubscribe, send a message with 'unsubscribe linux-mm' in
the body to majordomo@kvack.org. For more info on Linux MM,
see: http://www.linux-mm.org/ .
Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next prev parent reply other threads:[~2016-11-03 7:41 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 [this message]
2016-11-03 17:52 ` Mike Rapoport
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
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='072901d235a5$a8826700$f9873500$@alibaba-inc.com' \
--to=hillf.zj@alibaba-inc.com \
--cc=" <dgilbert@redhat.com>, Mike Kravetz <mike.kravetz@oracle.com>, Shaohua Li <shli@fb.com>, Pavel Emelyanov <xemul@parallels.com>"@v2.random \
--cc="Dr. David Alan Gilbert"@v2.random \
--cc=RAPOPORT@il.ibm.com \
--cc=aarcange@redhat.com \
--cc=akpm@linux-foundation.org \
--cc=linux-mm@kvack.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox