Commit 868770c9 authored by Szabolcs Nagy's avatar Szabolcs Nagy Committed by Jonathan Corbet
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Documentation: document /proc api for arm64 MTE vm flags 



Document that /proc/PID/smaps shows PROT_MTE settings in VmFlags.
Support for this was introduced in

  commit 9f341931
  arm64: mte: Add PROT_MTE support to mmap() and mprotect()

Signed-off-by: default avatarSzabolcs Nagy <szabolcs.nagy@arm.com>
Reviewed-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
Cc: linux-doc@vger.kernel.org
Link: https://lore.kernel.org/r/20201106101940.5777-1-szabolcs.nagy@arm.com


Signed-off-by: default avatarJonathan Corbet <corbet@lwn.net>
parent 43bc3ed7

Documentation/filesystems/proc.rst

+1 −0
Original line number Diff line number Diff line
@@ -546,6 +546,7 @@ encoded manner. The codes are the following: 
    nh    no huge page advise flag

    mg    mergable advise flag

    bt    arm64 BTI guarded page

    mt    arm64 MTE allocation tags are enabled

    ==    =======================================



Note that there is no guarantee that every flag and associated mnemonic will