A series of minor fixes and cleanups for UML.

Changes since v1:
https://lore.kernel.org/lkml/20240123110347.1274217-1-tiwei.btw@antgroup.com/
- Add "um: Stop tracking host PID in cpu_tasks";
- Add missing headers for i386;

Tiwei Bie (6):
  um: Make local functions and variables static
  um: Fix the declaration of vfree
  um: Remove unused functions
  um: Fix the return type of __switch_to
  um: Add missing headers
  um: Stop tracking host PID in cpu_tasks

 arch/um/drivers/pcap_kern.c              |  4 +--
 arch/um/drivers/ubd_user.c               |  2 +-
 arch/um/include/shared/as-layout.h       |  1 -
 arch/um/include/shared/um_malloc.h       |  2 +-
 arch/um/kernel/kmsg_dump.c               |  2 +-
 arch/um/kernel/mem.c                     |  2 ++
 arch/um/kernel/process.c                 | 46 ++++++------------------
 arch/um/kernel/reboot.c                  |  1 +
 arch/um/kernel/skas/mmu.c                |  1 +
 arch/um/kernel/skas/process.c            |  5 +--
 arch/um/kernel/time.c                    |  6 ++--
 arch/um/kernel/tlb.c                     |  7 +---
 arch/um/os-Linux/drivers/ethertap_kern.c |  2 +-
 arch/um/os-Linux/drivers/tuntap_kern.c   |  2 +-
 arch/um/os-Linux/signal.c                |  4 +--
 arch/x86/um/bugs_32.c                    |  1 +
 arch/x86/um/bugs_64.c                    |  1 +
 arch/x86/um/elfcore.c                    |  1 +
 arch/x86/um/fault.c                      |  1 +
 arch/x86/um/os-Linux/mcontext.c          |  1 +
 arch/x86/um/os-Linux/registers.c         |  2 +-
 arch/x86/um/os-Linux/tls.c               |  1 +
 22 files changed, 35 insertions(+), 60 deletions(-)

-- 
2.34.1