diff mbox series

[RFC,v3,04/21] LoongArch: mm: define pud_leaf() only when PUD exists

Message ID 20260902-dummy_ptxp3-v3-4-5d8f5b17c25c@arm.com
State New
Headers show
Series mm: change behavior of pXdp_get()/pXd_page() in compile-time folded pgtable | expand

Commit Message

Yeoreum Yun Sept. 2, 2026, 11:56 a.m. UTC 
From: "David Hildenbrand (Arm)" <david@kernel.org>

In include/asm-generic/pgtable-nopmd.h, pud_leaf() is hardcoded
to return false as inline function, but it misses the "define pud_leaf
pud_leaf" part.

To prepare for fixing that, define pud_leaf() only when
__PAGETABLE_PMD_FOLDED isn't defined.

Signed-off-by: David Hildenbrand (Arm) <david@kernel.org>
---
 arch/loongarch/include/asm/pgtable.h | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h
index cf29a4c8ac59..8aee4fc27a26 100644
--- a/arch/loongarch/include/asm/pgtable.h
+++ b/arch/loongarch/include/asm/pgtable.h
@@ -630,7 +630,9 @@  static inline long pmd_protnone(pmd_t pmd)
 #endif /* CONFIG_ARCH_HAS_PTE_PROTNONE */
 
 #define pmd_leaf(pmd)		((pmd_val(pmd) & _PAGE_HUGE) != 0)
+#ifndef __PAGETABLE_PMD_FOLDED
 #define pud_leaf(pud)		((pud_val(pud) & _PAGE_HUGE) != 0)
+#endif
 
 /*
  * We provide our own get_unmapped area to cope with the virtual aliasing