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UPSTREAM: Documentation: document /proc api for arm64 MTE vm flags

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[ Upstream commit 868770c92b ]

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

  commit 9f3419315f
  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>
Bug: 172318110
Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Change-Id: I48b2c862198b358bca74fe72816e861474796b0b
This commit is contained in:
Szabolcs Nagy
2020-11-06 10:19:40 +00:00
committed by Alistair Delva
parent 0a51cb8c5a
commit a80a97e66a
1 changed files with 1 additions and 0 deletions
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Documentation/filesystems/proc.rst
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@@ -549,6 +549,7 @@ 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