[PATCH mm/zswap 0/2] Fix the compatibility of zsmalloc and zswap

[Tian Tao <tiantao6@hisilicon.com>]

patch #1 add a flag to zpool, then zswap used to determine if zpool
drivers such as zbud/z3fold/zsmalloc will enter an atomic context after
mapping. the difference between zbud/z3fold and zsmalloc is that zsmalloc
requires an atomic context that since its map function holds a
preempt-disabled, but zbud/z3fold don't require an atomic context. so
patch #2 set flag sleep_mapped to true indicates that zbud/z3fold can
sleep after mapping. zsmalloc didin't support sleep after mapping, so not
set that flag to true.

Tian Tao (2):
  mm/zswap: add the flag can_sleep_mapped
  mm: set the sleep_mapped to true for zbud and z3fold

 include/linux/zpool.h |  3 +++
 mm/z3fold.c           |  1 +
 mm/zbud.c             |  1 +
 mm/zpool.c            | 13 +++++++++++++
 mm/zswap.c            | 50 +++++++++++++++++++++++++++++++++++++++++++++-----
 5 files changed, 63 insertions(+), 5 deletions(-)

-- 
2.7.4