From: Xu Lu <luxu.kernel@bytedance.com>
To: paul.walmsley@sifive.com, palmer@dabbelt.com,
aou@eecs.berkeley.edu, ardb@kernel.org, anup@brainfault.org,
atishp@atishpatra.org
Cc: xieyongji@bytedance.com, lihangjing@bytedance.com,
punit.agrawal@bytedance.com, linux-kernel@vger.kernel.org,
linux-riscv@lists.infradead.org,
Xu Lu <luxu.kernel@bytedance.com>
Subject: [RFC PATCH v2 16/21] riscv: mm: Adjust FIX_FDT_SIZE for variable PMD_SIZE
Date: Thu, 5 Dec 2024 18:37:24 +0800 [thread overview]
Message-ID: <20241205103729.14798-17-luxu.kernel@bytedance.com> (raw)
In-Reply-To: <20241205103729.14798-1-luxu.kernel@bytedance.com>
Signed-off-by: Xu Lu <luxu.kernel@bytedance.com>
---
arch/riscv/include/asm/pgtable.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 07d557bc8b39..5b2ca92ad833 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -108,10 +108,10 @@
#define PCI_IO_END VMEMMAP_START
#define PCI_IO_START (PCI_IO_END - PCI_IO_SIZE)
-#define FIXADDR_TOP PCI_IO_START
+#define FIXADDR_TOP (PCI_IO_START & PMD_MASK)
#ifdef CONFIG_64BIT
#define MAX_FDT_SIZE PMD_SIZE
-#define FIX_FDT_SIZE (MAX_FDT_SIZE + SZ_2M)
+#define FIX_FDT_SIZE (MAX_FDT_SIZE + PMD_SIZE)
#define FIXADDR_SIZE (PMD_SIZE + FIX_FDT_SIZE)
#else
#define MAX_FDT_SIZE PGDIR_SIZE
--
2.20.1
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next prev parent reply other threads:[~2024-12-05 10:45 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-05 10:37 [RFC PATCH v2 00/21] riscv: Introduce 64K base page Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 01/21] riscv: mm: Distinguish hardware base page and software " Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 02/21] riscv: mm: Configure satp with hw page pfn Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 03/21] riscv: mm: Reimplement page table entry structures Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 04/21] riscv: mm: Reimplement page table entry constructor function Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 05/21] riscv: mm: Reimplement conversion functions between page table entry Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 06/21] riscv: mm: Avoid pte constructor during pte conversion Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 07/21] riscv: mm: Reimplement page table entry get function Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 08/21] riscv: mm: Reimplement page table entry atomic " Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 09/21] riscv: mm: Replace READ_ONCE with atomic pte " Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 10/21] riscv: mm: Reimplement PTE A/D bit check function Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 11/21] riscv: mm: Reimplement mk_huge_pte function Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 12/21] riscv: mm: Reimplement tlb flush function Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 13/21] riscv: mm: Adjust PGDIR/P4D/PUD/PMD_SHIFT Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 14/21] riscv: mm: Only apply svnapot region bigger than software page Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 15/21] riscv: mm: Adjust FIX_BTMAPS_SLOTS for variable PAGE_SIZE Xu Lu
2024-12-05 10:37 ` Xu Lu [this message]
2024-12-05 10:37 ` [RFC PATCH v2 17/21] riscv: mm: Apply Svnapot for base page mapping if possible Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 18/21] riscv: Kconfig: Introduce 64K page size Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 19/21] riscv: Kconfig: Adjust mmap rnd bits for 64K Page Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 20/21] riscv: mm: Adjust address space layout and init page table " Xu Lu
2024-12-05 10:37 ` [RFC PATCH v2 21/21] riscv: mm: Update EXEC_PAGESIZE " Xu Lu
2024-12-06 2:00 ` [RFC PATCH v2 00/21] riscv: Introduce 64K base page Zi Yan
2024-12-06 2:41 ` [External] " Xu Lu
2024-12-06 10:13 ` David Hildenbrand
2024-12-06 13:42 ` [External] " Xu Lu
2024-12-06 18:48 ` Pedro Falcato
2024-12-07 8:03 ` Xu Lu
2024-12-07 22:02 ` Yu Zhao
2024-12-09 3:36 ` Xu Lu
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