This is the same bug we fixed as part of
09567e7fd44291bfc08accfdd67ad8f467842332
("powerpc/mm: Check paca psize is up to date for huge mappings"). Please
check that for details. The difference here is that faults were
happening on a 4K page at an address previously mapped by hugetlb.
Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>
---
arch/powerpc/mm/hash_utils_64.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 3d261bc6fef8..4233dcccbaf7 100644
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -1124,9 +1124,10 @@ int hash_page_mm(struct mm_struct *mm, unsigned long ea,
}
}
+#endif /* CONFIG_PPC_64K_PAGES */
+
if (current->mm == mm)
check_paca_psize(ea, mm, psize, user_region);
-#endif /* CONFIG_PPC_64K_PAGES */
#ifdef CONFIG_PPC_64K_PAGES
if (psize == MMU_PAGE_64K)
--
2.5.0
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