Re: [PATCH 11/13] mm/treewide: Replace pXd_huge() with pXd_leaf()
From: Christophe Leroy <hidden>
Date: 2024-03-14 08:50:29
Also in:
linux-arm-kernel, linux-mm, lkml, sparclinux
Le 13/03/2024 à 22:47, peterx@redhat.com a écrit :
quoted hunk ↗ jump to hunk
From: Peter Xu <peterx@redhat.com> Now after we're sure all pXd_huge() definitions are the same as pXd_leaf(), reuse it. Luckily, pXd_huge() isn't widely used. Signed-off-by: Peter Xu <peterx@redhat.com> --- arch/arm/include/asm/pgtable-3level.h | 2 +- arch/arm64/include/asm/pgtable.h | 2 +- arch/arm64/mm/hugetlbpage.c | 4 ++-- arch/loongarch/mm/hugetlbpage.c | 2 +- arch/mips/mm/tlb-r4k.c | 2 +- arch/powerpc/mm/pgtable_64.c | 6 +++--- arch/x86/mm/pgtable.c | 4 ++-- mm/gup.c | 4 ++-- mm/hmm.c | 2 +- mm/memory.c | 2 +- 10 files changed, 15 insertions(+), 15 deletions(-)diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h index e7aecbef75c9..9e3c44f0aea2 100644 --- a/arch/arm/include/asm/pgtable-3level.h +++ b/arch/arm/include/asm/pgtable-3level.h@@ -190,7 +190,7 @@ static inline pte_t pte_mkspecial(pte_t pte) #define pmd_dirty(pmd) (pmd_isset((pmd), L_PMD_SECT_DIRTY)) #define pmd_hugewillfault(pmd) (!pmd_young(pmd) || !pmd_write(pmd)) -#define pmd_thp_or_huge(pmd) (pmd_huge(pmd) || pmd_trans_huge(pmd)) +#define pmd_thp_or_huge(pmd) (pmd_leaf(pmd) || pmd_trans_huge(pmd))
Previous patch said pmd_trans_huge() implies pmd_leaf(). Or is that only for GUP ?
#ifdef CONFIG_TRANSPARENT_HUGEPAGE #define pmd_trans_huge(pmd) (pmd_val(pmd) && !pmd_table(pmd))
quoted hunk ↗ jump to hunk
diff --git a/mm/hmm.c b/mm/hmm.c index c95b9ec5d95f..93aebd9cc130 100644 --- a/mm/hmm.c +++ b/mm/hmm.c@@ -429,7 +429,7 @@ static int hmm_vma_walk_pud(pud_t *pudp, unsigned long start, unsigned long end, return hmm_vma_walk_hole(start, end, -1, walk); } - if (pud_huge(pud) && pud_devmap(pud)) { + if (pud_leaf(pud) && pud_devmap(pud)) {
Didn't previous patch say devmap implies leaf ? Or is it only for GUP ?
unsigned long i, npages, pfn; unsigned int required_fault; unsigned long *hmm_pfns;