* + arm-mm-add-missing-pud_page-define-to-2-level-page-tables.patch added to -mm tree
@ 2021-03-17 23:03 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2021-03-17 23:03 UTC (permalink / raw)
To: bp, catalin.marinas, dingtianhong, hch, hpa, linmiaohe, linux,
mingo, mm-commits, mpe, npiggin, tglx, urezki, will
The patch titled
Subject: ARM: mm: add missing pud_page define to 2-level page tables
has been added to the -mm tree. Its filename is
arm-mm-add-missing-pud_page-define-to-2-level-page-tables.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/arm-mm-add-missing-pud_page-define-to-2-level-page-tables.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/arm-mm-add-missing-pud_page-define-to-2-level-page-tables.patch
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------------------------------------------------------
From: Nicholas Piggin <npiggin@gmail.com>
Subject: ARM: mm: add missing pud_page define to 2-level page tables
Patch series "huge vmalloc mappings", v13.
This patch (of 14):
ARM uses its own PMD folding scheme which is missing pud_page which should
just pass through to pmd_page. Move this from the 3-level page table to
common header.
Link: https://lkml.kernel.org/r/20210317062402.533919-2-npiggin@gmail.com
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Ding Tianhong <dingtianhong@huawei.com>
Cc: Uladzislau Rezki (Sony) <urezki@gmail.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
arch/arm/include/asm/pgtable-3level.h | 2 --
arch/arm/include/asm/pgtable.h | 3 +++
2 files changed, 3 insertions(+), 2 deletions(-)
--- a/arch/arm/include/asm/pgtable-3level.h~arm-mm-add-missing-pud_page-define-to-2-level-page-tables
+++ a/arch/arm/include/asm/pgtable-3level.h
@@ -186,8 +186,6 @@ static inline pte_t pte_mkspecial(pte_t
#define pmd_write(pmd) (pmd_isclear((pmd), L_PMD_SECT_RDONLY))
#define pmd_dirty(pmd) (pmd_isset((pmd), L_PMD_SECT_DIRTY))
-#define pud_page(pud) pmd_page(__pmd(pud_val(pud)))
-#define pud_write(pud) pmd_write(__pmd(pud_val(pud)))
#define pmd_hugewillfault(pmd) (!pmd_young(pmd) || !pmd_write(pmd))
#define pmd_thp_or_huge(pmd) (pmd_huge(pmd) || pmd_trans_huge(pmd))
--- a/arch/arm/include/asm/pgtable.h~arm-mm-add-missing-pud_page-define-to-2-level-page-tables
+++ a/arch/arm/include/asm/pgtable.h
@@ -166,6 +166,9 @@ extern struct page *empty_zero_page;
extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
+#define pud_page(pud) pmd_page(__pmd(pud_val(pud)))
+#define pud_write(pud) pmd_write(__pmd(pud_val(pud)))
+
#define pmd_none(pmd) (!pmd_val(pmd))
static inline pte_t *pmd_page_vaddr(pmd_t pmd)
_
Patches currently in -mm which might be from npiggin@gmail.com are
arm-mm-add-missing-pud_page-define-to-2-level-page-tables.patch
mm-vmalloc-fix-huge_vmap-regression-by-enabling-huge-pages-in-vmalloc_to_page.patch
mm-apply_to_pte_range-warn-and-fail-if-a-large-pte-is-encountered.patch
mm-vmalloc-rename-vmap__range-vmap_pages__range.patch
mm-ioremap-rename-ioremap__range-to-vmap__range.patch
mm-huge_vmap-arch-support-cleanup.patch
powerpc-inline-huge-vmap-supported-functions.patch
arm64-inline-huge-vmap-supported-functions.patch
x86-inline-huge-vmap-supported-functions.patch
mm-vmalloc-provide-fallback-arch-huge-vmap-support-functions.patch
mm-move-vmap_range-from-mm-ioremapc-to-mm-vmallocc.patch
mm-vmalloc-add-vmap_range_noflush-variant.patch
mm-vmalloc-hugepage-vmalloc-mappings.patch
powerpc-64s-radix-enable-huge-vmalloc-mappings.patch
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2021-03-17 23:03 + arm-mm-add-missing-pud_page-define-to-2-level-page-tables.patch added to -mm tree akpm
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