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authorSzabolcs Nagy <szabolcs.nagy@arm.com>2020-11-06 13:19:40 +0300
committerJonathan Corbet <corbet@lwn.net>2020-12-01 22:28:06 +0300
commit868770c92b612cff5de9b262d1853d7512b7cb43 (patch)
tree940cbd5a282004c6d010cf95ad58655284a3ba73 /Documentation/filesystems
parent43bc3ed736397e812f14c0eeca27e4fe1ba0577e (diff)
downloadlinux-868770c92b612cff5de9b262d1853d7512b7cb43.tar.xz
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 9f3419315f3cdc41a7318e4d50ba18a592b30c8c arm64: mte: Add PROT_MTE support to mmap() and mprotect() Signed-off-by: Szabolcs Nagy <szabolcs.nagy@arm.com> Reviewed-by: Catalin 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: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/filesystems')
-rw-r--r--Documentation/filesystems/proc.rst1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/filesystems/proc.rst b/Documentation/filesystems/proc.rst
index 533c79e8d2cd..e5fa972d4c76 100644
--- a/Documentation/filesystems/proc.rst
+++ b/Documentation/filesystems/proc.rst
@@ -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