From: Andrew Morton <akpm@linux-foundation.org>
To: mm-commits@vger.kernel.org, tiberiu.georgescu@nutanix.com,
sj@kernel.org, shy828301@gmail.com, peterx@redhat.com,
linmiaohe@huawei.com, ivan.teterevkov@nutanix.com,
florian.schmidt@nutanix.com, david@redhat.com, corbet@lwn.net,
ccross@google.com, axelrasmussen@google.com, apopple@nvidia.com,
aarcange@redhat.com, yun.zhou@windriver.com,
akpm@linux-foundation.org
Subject: [merged] proc-fix-documentation-and-description-of-pagemap.patch removed from -mm tree
Date: Sun, 06 Mar 2022 14:08:56 -0800 [thread overview]
Message-ID: <20220306220857.003AFC340EF@smtp.kernel.org> (raw)
The patch titled
Subject: proc: fix documentation and description of pagemap
has been removed from the -mm tree. Its filename was
proc-fix-documentation-and-description-of-pagemap.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Yun Zhou <yun.zhou@windriver.com>
Subject: proc: fix documentation and description of pagemap
Since bit 57 was exported for uffd-wp write-protected(commit
fb8e37f35a2f), fixing it can reduce some unnecessary confusion.
Link: https://lkml.kernel.org/r/20220301044538.3042713-1-yun.zhou@windriver.com
Fixes: fb8e37f35a2fe1 ("mm/pagemap: export uffd-wp protection information")
Signed-off-by: Yun Zhou <yun.zhou@windriver.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Tiberiu A Georgescu <tiberiu.georgescu@nutanix.com>
Cc: Florian Schmidt <florian.schmidt@nutanix.com>
Cc: Ivan Teterevkov <ivan.teterevkov@nutanix.com>
Cc: SeongJae Park <sj@kernel.org>
Cc: Yang Shi <shy828301@gmail.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Colin Cross <ccross@google.com>
Cc: Alistair Popple <apopple@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
Documentation/admin-guide/mm/pagemap.rst | 2 +-
fs/proc/task_mmu.c | 3 ++-
2 files changed, 3 insertions(+), 2 deletions(-)
--- a/Documentation/admin-guide/mm/pagemap.rst~proc-fix-documentation-and-description-of-pagemap
+++ a/Documentation/admin-guide/mm/pagemap.rst
@@ -23,7 +23,7 @@ There are four components to pagemap:
* Bit 56 page exclusively mapped (since 4.2)
* Bit 57 pte is uffd-wp write-protected (since 5.13) (see
:ref:`Documentation/admin-guide/mm/userfaultfd.rst <userfaultfd>`)
- * Bits 57-60 zero
+ * Bits 58-60 zero
* Bit 61 page is file-page or shared-anon (since 3.5)
* Bit 62 page swapped
* Bit 63 page present
--- a/fs/proc/task_mmu.c~proc-fix-documentation-and-description-of-pagemap
+++ a/fs/proc/task_mmu.c
@@ -1597,7 +1597,8 @@ static const struct mm_walk_ops pagemap_
* Bits 5-54 swap offset if swapped
* Bit 55 pte is soft-dirty (see Documentation/admin-guide/mm/soft-dirty.rst)
* Bit 56 page exclusively mapped
- * Bits 57-60 zero
+ * Bit 57 pte is uffd-wp write-protected
+ * Bits 58-60 zero
* Bit 61 page is file-page or shared-anon
* Bit 62 page swapped
* Bit 63 page present
_
Patches currently in -mm which might be from yun.zhou@windriver.com are
reply other threads:[~2022-03-06 22:09 UTC|newest]
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