File _service:tar_scm:0001-fix-task-size-min-macro.p... of Package kernel

File _service:tar_scm:0001-fix-task-size-min-macro.patch of Package kernel (Revision 1684adad483876555a2b3da6b137e46b)

Currently displaying revision 1684adad483876555a2b3da6b137e46b , Show latest

From 2970e715be56df5926481e89bad4bdbfa5ba474b Mon Sep 17 00:00:00 2001
From: wangjunqiang <wangjunqiang@iscas.ac.cn>
Date: Thu, 10 Nov 2022 08:40:08 +0000
Subject: [PATCH] fix task size min macro

---
 arch/riscv/include/asm/pgtable-64.h | 4 ++++
 arch/riscv/include/asm/pgtable.h    | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/arch/riscv/include/asm/pgtable-64.h b/arch/riscv/include/asm/pgtable-64.h
index 0e863f3f7..e8305be7b 100644
--- a/arch/riscv/include/asm/pgtable-64.h
+++ b/arch/riscv/include/asm/pgtable-64.h
@@ -8,6 +8,10 @@
 
 #include <linux/const.h>
 
+#define PGDIR_SHIFT_L3  30
+#define PGDIR_SHIFT_L4  39
+#define PGDIR_SIZE_L3   (_AC(1, UL) << PGDIR_SHIFT_L3)
+
 #define PGDIR_SHIFT     30
 /* Size of region mapped by a page global directory */
 #define PGDIR_SIZE      (_AC(1, UL) << PGDIR_SHIFT)
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 73e8b5e5b..214295b71 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -447,8 +447,10 @@ static inline int ptep_clear_flush_young(struct vm_area_struct *vma,
  */
 #ifdef CONFIG_64BIT
 #define TASK_SIZE (PGDIR_SIZE * PTRS_PER_PGD / 2)
+#define TASK_SIZE_MIN  (PGDIR_SIZE_L3 * PTRS_PER_PGD / 2)
 #else
 #define TASK_SIZE FIXADDR_START
+#define TASK_SIZE_MIN	TASK_SIZE
 #endif
 
 #else /* CONFIG_MMU */
-- 
2.31.1