powerpc/book3s64: fix dump_linuxpagetables "present" flag

Since commit bd0dbb73e013 ("powerpc/mm/books3s: Add new pte bit to
mark pte temporarily invalid."), _PAGE_PRESENT doesn't mean exactly
that a page is present. A page is also considered preset when
_PAGE_INVALID is set.

This patch changes the meaning of "present" and adds a status "valid"
associated to the _PAGE_PRESENT flag.

Fixes: bd0dbb73e013 ("powerpc/mm/books3s: Add new pte bit to mark pte temporarily invalid.")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/mm/dump_linuxpagetables-book3s64.c b/arch/powerpc/mm/dump_linuxpagetables-book3s64.c
index a637e612b2055d0a8f3d205cad45b2a75f565f01..ed6fcf78256eb5fa9e5a9933a8a086a005055437 100644 (file)
--- a/arch/powerpc/mm/dump_linuxpagetables-book3s64.c
+++ b/arch/powerpc/mm/dump_linuxpagetables-book3s64.c
@@ -38,8 +38,13 @@ static const struct flag_info flag_array[] = {
        }, {
                .mask   = _PAGE_PRESENT,
                .val    = _PAGE_PRESENT,
-               .set    = "present",
-               .clear  = "       ",
+               .set    = "valid",
+               .clear  = "     ",
+       }, {
+               .mask   = _PAGE_PRESENT | _PAGE_INVALID,
+               .val    = 0,
+               .set    = "       ",
+               .clear  = "present",
        }, {
                .mask   = H_PAGE_HASHPTE,
                .val    = H_PAGE_HASHPTE,