Bit 57 was introduced in Linux v5.14 to reflect the userfaultfd write-protect bit (commit fb8e37f35a2fe1f983ac21850e856e2c7498d469). Signed-off-by: Marco Bonelli <marco@xxxxxxxxxx> --- man5/proc.5 | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/man5/proc.5 b/man5/proc.5 index c668462..c4b4858 100644 --- a/man5/proc.5 +++ b/man5/proc.5 @@ -1761,10 +1761,14 @@ If set, the page is in swap space 61 (since Linux 3.5) The page is a file-mapped page or a shared anonymous page. .TP -60\(en57 (since Linux 3.11) +60\(en58 (since Linux 3.11) Zero .\" Not quite true; see commit 541c237c0923f567c9c4cabb8a81635baadc713f .TP +57 (since Linux 5.14) +If set, the page is write-protected through +.BR userfaultfd (2). +.TP 56 (since Linux 4.2) .\" commit 77bb499bb60f4b79cca7d139c8041662860fcf87 .\" commit 83b4b0bb635eee2b8e075062e4e008d1bc110ed7 -- 2.30.2
