Re: [PATCH] proc: fix documentation and description of mmap

Yun Zhou <yun.zhou@xxxxxxxxxxxxx> · Tue, 1 Mar 2022 12:39:37 +0800

On 3/1/22 11:59 AM, Peter Xu wrote:
[Please note: This e-mail is from an EXTERNAL e-mail address]

On Tue, Mar 01, 2022 at 11:21:15AM +0800, Yun Zhou wrote:

diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 78125ef20255..75511f78075f 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1596,7 +1596,8 @@ static const struct mm_walk_ops pagemap_ops = {
   * 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 (since 5.13) (see
                                                 ^^^^^^^^^^^^^^^^^ remove these?
Sorry for my mistake, I will follow your suggestion and send patch v2.

Thanks,
Yun






