Martin Schwidefsky 3f6813b9a5 s390/fpu: allocate 'struct fpu' with the task_struct ... Analog to git commit 0c8c0f03e3 "x86/fpu, sched: Dynamically allocate 'struct fpu'" move the struct fpu to the end of the struct thread_struct, set CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT and add the setup_task_size() function to calculate the correct size fo the task struct. For the performance_defconfig this increases the size of struct task_struct from 7424 bytes to 7936 bytes (MACHINE_HAS_VX==1) or 7552 bytes (MACHINE_HAS_VX==0). The dynamic allocation of the struct fpu is removed. The slab cache uses an 8KB block for the task struct in all cases, there is enough room for the struct fpu. For MACHINE_HAS_VX==1 each task now needs 512 bytes less memory. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>		2016-04-21 09:51:15 +02:00
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api.h	s390/fpu: split fpu-internal.h into fpu internals, api, and type headers	2015-10-16 09:41:12 +02:00
internal.h	s390/fpu: signals vs. floating point control register	2016-02-22 09:29:35 +01:00
types.h	s390/fpu: allocate 'struct fpu' with the task_struct	2016-04-21 09:51:15 +02:00