Re: [PATCH 12/13] mm/treewide: Remove pXd_huge()
From: Christophe Leroy <hidden>
Date: 2024-03-14 08:57:02
Also in:
linux-mm, linuxppc-dev, lkml, sparclinux
Le 13/03/2024 à 22:47, peterx@redhat.com a écrit :
From: Peter Xu <peterx@redhat.com> This API is not used anymore, drop it for the whole tree. Signed-off-by: Peter Xu <peterx@redhat.com> --- arch/arm/mm/Makefile | 1 - arch/arm/mm/hugetlbpage.c | 29 ------------------- arch/arm64/mm/hugetlbpage.c | 10 ------- arch/loongarch/mm/hugetlbpage.c | 10 ------- arch/mips/include/asm/pgtable-32.h | 2 +- arch/mips/include/asm/pgtable-64.h | 2 +- arch/mips/mm/hugetlbpage.c | 10 ------- arch/parisc/mm/hugetlbpage.c | 11 ------- .../include/asm/book3s/64/pgtable-4k.h | 10 ------- .../include/asm/book3s/64/pgtable-64k.h | 25 ---------------- arch/powerpc/include/asm/nohash/pgtable.h | 10 ------- arch/riscv/mm/hugetlbpage.c | 10 ------- arch/s390/mm/hugetlbpage.c | 10 ------- arch/sh/mm/hugetlbpage.c | 10 ------- arch/sparc/mm/hugetlbpage.c | 10 ------- arch/x86/mm/hugetlbpage.c | 16 ---------- include/linux/hugetlb.h | 24 --------------- 17 files changed, 2 insertions(+), 198 deletions(-) delete mode 100644 arch/arm/mm/hugetlbpage.c
quoted hunk ↗ jump to hunk
diff --git a/arch/mips/include/asm/pgtable-32.h b/arch/mips/include/asm/pgtable-32.h index 0e196650f4f4..92b7591aac2a 100644 --- a/arch/mips/include/asm/pgtable-32.h +++ b/arch/mips/include/asm/pgtable-32.h@@ -129,7 +129,7 @@ static inline int pmd_none(pmd_t pmd) static inline int pmd_bad(pmd_t pmd) { #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT - /* pmd_huge(pmd) but inline */ + /* pmd_leaf(pmd) but inline */
Shouldn't this comment have been changed in patch 11 ?
if (unlikely(pmd_val(pmd) & _PAGE_HUGE))
Unlike pmd_huge() which is an outline function, pmd_leaf() is a macro so it could be used here instead of open coping.
quoted hunk ↗ jump to hunk
return 0; #endifdiff --git a/arch/mips/include/asm/pgtable-64.h b/arch/mips/include/asm/pgtable-64.h index 20ca48c1b606..7c28510b3768 100644 --- a/arch/mips/include/asm/pgtable-64.h +++ b/arch/mips/include/asm/pgtable-64.h@@ -245,7 +245,7 @@ static inline int pmd_none(pmd_t pmd) static inline int pmd_bad(pmd_t pmd) { #ifdef CONFIG_MIPS_HUGE_TLB_SUPPORT - /* pmd_huge(pmd) but inline */ + /* pmd_leaf(pmd) but inline */
Same
if (unlikely(pmd_val(pmd) & _PAGE_HUGE))
Same
return 0; #endif
quoted hunk ↗ jump to hunk
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h index 2fce3498b000..579a7153857f 100644 --- a/arch/powerpc/include/asm/book3s/64/pgtable-64k.h +++ b/arch/powerpc/include/asm/book3s/64/pgtable-64k.h@@ -4,31 +4,6 @@ #ifndef __ASSEMBLY__ #ifdef CONFIG_HUGETLB_PAGE -/* - * We have PGD_INDEX_SIZ = 12 and PTE_INDEX_SIZE = 8, so that we can have - * 16GB hugepage pte in PGD and 16MB hugepage pte at PMD; - * - * Defined in such a way that we can optimize away code block at build time - * if CONFIG_HUGETLB_PAGE=n. - * - * returns true for pmd migration entries, THP, devmap, hugetlb - * But compile time dependent on CONFIG_HUGETLB_PAGE - */
Should we keep this comment somewhere for documentation ?
-static inline int pmd_huge(pmd_t pmd)
-{
- /*
- * leaf pte for huge page
- */
- return !!(pmd_raw(pmd) & cpu_to_be64(_PAGE_PTE));
-}
-
-static inline int pud_huge(pud_t pud)
-{
- /*
- * leaf pte for huge page
- */
- return !!(pud_raw(pud) & cpu_to_be64(_PAGE_PTE));
-}
/*
* With 64k page size, we have hugepage ptes in the pgd and pmd entries. We don't_______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel