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[v2,13/23] powerpc/hugetlb: pte_alloc_huge()

Message ID 36b4e5d-954b-8569-4fe2-bd1797362441@google.com (mailing list archive)
State New, archived
Headers show
Series arch: allow pte_offset_map[_lock]() to fail | expand

Commit Message

Hugh Dickins June 8, 2023, 7:24 p.m. UTC 
pte_alloc_map() expects to be followed by pte_unmap(), but hugetlb omits
that: to keep balance in future, use the recently added pte_alloc_huge()
instead.  huge_pte_offset() is using __find_linux_pte(), which is using
pte_offset_kernel() - don't rename that to _huge, it's more complicated.

Signed-off-by: Hugh Dickins <hughd@google.com>
---
 arch/powerpc/mm/hugetlbpage.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/arch/powerpc/mm/hugetlbpage.c b/arch/powerpc/mm/hugetlbpage.c
index b900933507da..f7c683b672c1 100644
--- a/arch/powerpc/mm/hugetlbpage.c
+++ b/arch/powerpc/mm/hugetlbpage.c
@@ -183,7 +183,7 @@  pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,
 		return NULL;
 
 	if (IS_ENABLED(CONFIG_PPC_8xx) && pshift < PMD_SHIFT)
-		return pte_alloc_map(mm, (pmd_t *)hpdp, addr);
+		return pte_alloc_huge(mm, (pmd_t *)hpdp, addr);
 
 	BUG_ON(!hugepd_none(*hpdp) && !hugepd_ok(*hpdp));