| #include <linux/kernel.h> |
| struct kmem_cache *task_xstate_cachep = NULL; |
| unsigned int xstate_size; |
| int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src) |
| if (src->thread.xstate) { |
| dst->thread.xstate = kmem_cache_alloc(task_xstate_cachep, |
| memcpy(dst->thread.xstate, src->thread.xstate, xstate_size); |
| void free_thread_xstate(struct task_struct *tsk) |
| if (tsk->thread.xstate) { |
| kmem_cache_free(task_xstate_cachep, tsk->thread.xstate); |
| tsk->thread.xstate = NULL; |
| void arch_release_task_struct(struct task_struct *tsk) |
| void arch_task_cache_init(void) |
| task_xstate_cachep = kmem_cache_create("task_xstate", xstate_size, |
| __alignof__(union thread_xstate), |
| SLAB_PANIC | SLAB_NOTRACK, NULL); |
| void __cpuinit init_thread_xstate(void) |
| if (boot_cpu_data.flags & CPU_HAS_FPU) |
| xstate_size = sizeof(struct sh_fpu_hard_struct); |
| xstate_size = sizeof(struct sh_fpu_soft_struct); |