From bfd2c0235881fa3bc0b9dd0e9d25edacb8b0eb69 Mon Sep 17 00:00:00 2001 From: Kimplul Date: Fri, 1 Nov 2024 13:22:59 +0200 Subject: calculate rpc stack top slightly differently + Saves a multiplication, very minor --- arch/riscv64/kernel/vmem.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'arch') diff --git a/arch/riscv64/kernel/vmem.c b/arch/riscv64/kernel/vmem.c index 5a6e71c..7bcdc1e 100644 --- a/arch/riscv64/kernel/vmem.c +++ b/arch/riscv64/kernel/vmem.c @@ -641,13 +641,13 @@ void destroy_rpc_stack(struct tcb *t) void reset_rpc_stack(struct tcb *t) { - t->rpc_stack = RPC_STACK_BASE + (BASE_PAGE_SIZE * rpc_pages); + t->rpc_stack = RPC_STACK_BASE + (BASE_PAGE_SIZE * order_size(MM_O1)); t->arch.rpc_idx = rpc_pages - 1; } bool rpc_stack_empty(pm_t addr) { - return addr == RPC_STACK_BASE + (BASE_PAGE_SIZE * rpc_pages); + return addr == RPC_STACK_BASE + order_size(MM_O1); } @@ -674,7 +674,7 @@ void reuse_rpc(struct tcb *t) struct vmem *b = t->arch.rpc_leaf; int top_idx = t->arch.rpc_idx; - const int max = rpc_pages - 1; + int max = rpc_pages - 1; for (; top_idx < max; --top_idx) { pm_t *pte = (pm_t *)&b->leaf[top_idx]; if (!(pte_flags(*pte) & VM_U)) -- cgit v1.3