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powerpc/ptdump: Add _PAGE_COHERENT flag

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[ Upstream commit 3af4786eb429b2df76cbd7ce3bae21467ac3e4fb ]

For platforms using shared.c (4xx, Book3e, Book3s/32), also handle the
_PAGE_COHERENT flag which corresponds to the M bit of the WIMG flags.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
[mpe: Make it more verbose, use "coherent" rather than "m"]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/324c3d860717e8e91fca3bb6c0f8b23e1644a404.1589866984.git.christophe.leroy@csgroup.eu
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Christophe Leroy 2020-05-19 05:48:51 +00:00 committed by Greg Kroah-Hartman
parent 805bae7592
commit 8e52a1eef1
1 changed files with 5 additions and 0 deletions
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5
arch/powerpc/mm/ptdump/shared.c
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@ -30,6 +30,11 @@ static const struct flag_info flag_array[] = {
.val = _PAGE_PRESENT,
.set = "present",
.clear = " ",
}, {
.mask = _PAGE_COHERENT,
.val = _PAGE_COHERENT,
.set = "coherent",
.clear = " ",
}, {
.mask = _PAGE_GUARDED,
.val = _PAGE_GUARDED,