Alexander Gordeev [off-list ref] writes:

On Tue, Sep 10, 2024 at 02:14:36PM +1000, Alistair Popple wrote:

Hi Alistair,

quoted

diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/pgtable.c
index 5a4a753..4537a29 100644
--- a/arch/powerpc/mm/book3s64/pgtable.c
+++ b/arch/powerpc/mm/book3s64/pgtable.c

@@ -193,7 +192,7 @@ pmd_t pmdp_huge_get_and_clear_full(struct vm_area_struct *vma,
 	pmd_t pmd;
 	VM_BUG_ON(addr & ~HPAGE_PMD_MASK);
 	VM_BUG_ON((pmd_present(*pmdp) && !pmd_trans_huge(*pmdp) &&
-		   !pmd_devmap(*pmdp)) || !pmd_present(*pmdp));
+		   || !pmd_present(*pmdp));

That looks broken.

Thanks! Clearly I better go reinstall that PPC cross-compiler...

quoted

 	pmd = pmdp_huge_get_and_clear(vma->vm_mm, addr, pmdp);
 	/*
 	 * if it not a fullmm flush, then we can possibly end up converting

Thanks!