From 845cf97e1faee613e3e73900f5f93bfcedc831f1 Mon Sep 17 00:00:00 2001
From: Kimplul <kimi.h.kuparinen@gmail.com>
Date: Sat, 12 Nov 2022 22:47:49 +0200
Subject: release mode, ~600k requests

---
 arch/riscv64/kernel/vmem.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'arch/riscv64/kernel/vmem.c')

diff --git a/arch/riscv64/kernel/vmem.c b/arch/riscv64/kernel/vmem.c
index 68ccbd3..a3903f1 100644
--- a/arch/riscv64/kernel/vmem.c
+++ b/arch/riscv64/kernel/vmem.c
@@ -345,11 +345,16 @@ vm_t setup_kernel_io(struct vmem *b, vm_t paddr)
 }
 #endif
 
+struct uvmem_map {
+	struct vmem *leaf[CSTACK_PAGE - 1];
+};
+
 stat_t clone_uvmem(struct vmem *r, struct vmem *b)
 {
 	/** \todo error checking? */
-	for (size_t i = 0; i < CSTACK_PAGE; ++i)
-		b->leaf[i] = r->leaf[i];
+	struct uvmem_map *rm = (struct uvmem_map *)(r);
+	struct uvmem_map *bm = (struct uvmem_map *)(b);
+	*bm = *rm;
 
 	return OK;
 }
-- 
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