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Round the allocation for cpu-local variables up PAGE_SIZE

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This commit is contained in:
Hannes Weisbach
2017-09-20 10:22:12 +09:00
parent 682cd34b74
commit 4f2b4aa402
1 changed files with 2 additions and 1 deletions
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arch/arm64/kernel/local.c
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@@ -20,10 +20,11 @@ size_t arm64_cpu_local_variables_span = LOCALS_SPAN; /* for debugger */
void init_processors_local(int max_id) void init_processors_local(int max_id)
{ {
int i = 0; int i = 0;
const int sz = (max_id + 1) * KERNEL_STACK_SIZE;
union arm64_cpu_local_variables *tmp; union arm64_cpu_local_variables *tmp;
/* allocate one more for alignment */ /* allocate one more for alignment */
locals = ihk_mc_alloc_pages((max_id + 1) * (KERNEL_STACK_SIZE / PAGE_SIZE), IHK_MC_AP_CRITICAL); locals = ihk_mc_alloc_pages(((sz + PAGE_SIZE - 1) / PAGE_SIZE), IHK_MC_AP_CRITICAL);
locals = (union arm64_cpu_local_variables *)ALIGN_UP((unsigned long)locals, KERNEL_STACK_SIZE); locals = (union arm64_cpu_local_variables *)ALIGN_UP((unsigned long)locals, KERNEL_STACK_SIZE);
/* clear struct process, struct process_vm, struct thread_info area */ /* clear struct process, struct process_vm, struct thread_info area */