exception_stacks 16 arch/x86/mm/cpu_entry_area.c static DEFINE_PER_CPU_PAGE_ALIGNED(struct exception_stacks, exception_stacks); exception_stacks 91 arch/x86/mm/cpu_entry_area.c struct exception_stacks *estacks = per_cpu_ptr(&exception_stacks, cpu); exception_stacks 95 arch/x86/mm/cpu_entry_area.c BUILD_BUG_ON(sizeof(exception_stacks) % PAGE_SIZE != 0);