[PATCH 09/23] parisc: unmap_uncached_pte() use pte_offset_kernel()
Hugh Dickins
hughd at google.com
Tue May 9 21:54:00 PDT 2023
unmap_uncached_pte() is working from pgd_offset_k(vaddr), so it should
use pte_offset_kernel() instead of pte_offset_map(), to avoid the
question of whether a pte_unmap() will be needed to balance.
Signed-off-by: Hugh Dickins <hughd at google.com>
---
arch/parisc/kernel/pci-dma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c
index ba87f791323b..52d5f8a5cdd2 100644
--- a/arch/parisc/kernel/pci-dma.c
+++ b/arch/parisc/kernel/pci-dma.c
@@ -164,7 +164,7 @@ static inline void unmap_uncached_pte(pmd_t * pmd, unsigned long vaddr,
pmd_clear(pmd);
return;
}
- pte = pte_offset_map(pmd, vaddr);
+ pte = pte_offset_kernel(pmd, vaddr);
vaddr &= ~PMD_MASK;
end = vaddr + size;
if (end > PMD_SIZE)
--
2.35.3
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