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Chuhong Yuan 40e90656c1 s390/mm: use refcount_t for refcount 
Reference counters are preferred to use refcount_t instead of
atomic_t.
This is because the implementation of refcount_t can prevent
overflows and detect possible use-after-free.
So convert atomic_t ref counters to refcount_t.

Link: http://lkml.kernel.org/r/20190808071826.6649-1-hslester96@gmail.com
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2019-08-21 12:41:43 +02:00
..
appldata
proc/sysctl: add shared variables for range check
2019-07-18 17:08:07 -07:00
boot
s390: move vmalloc option parsing to startup code
2019-08-21 12:41:43 +02:00
configs
Kbuild updates for v5.3
2019-07-12 16:03:16 -07:00
crypto
s390/crypto: sha: Use -ENODEV instead of -EOPNOTSUPP
2019-06-15 12:24:48 +02:00
hypfs
s390/hypfs: fix a typo in the name of a function
2019-07-23 10:45:32 +02:00
include
s390/mm: use refcount_t for refcount
2019-08-21 12:41:43 +02:00
kernel
s390: move vmalloc option parsing to startup code
2019-08-21 12:41:43 +02:00
kvm
KVM: s390: Use kvm_vcpu_wake_up in kvm_s390_vcpu_wakeup
2019-07-20 09:00:45 +02:00
lib
s390: enforce CONFIG_SMP
2019-06-07 10:09:37 +02:00
mm
s390/mm: use refcount_t for refcount
2019-08-21 12:41:43 +02:00
net
s390: bpf: eliminate zero extension code-gen
2019-05-24 18:58:38 -07:00
numa
treewide: add checks for the return value of memblock_alloc*()
2019-03-12 10:04:02 -07:00
oprofile
s390/unwind: introduce stack unwind API
2019-05-02 13:54:11 +02:00
pci
s390/pci: PCI_IOV_RESOURCES loop refactoring in zpci_map_resources
2019-08-21 12:41:43 +02:00
purgatory
s390/purgatory: update .gitignore
2019-06-04 15:03:42 +02:00
scripts
s390: make chkbss work with clang
2019-04-11 13:36:52 +02:00
tools
s390/disassembler: update opcode table
2019-06-04 15:03:58 +02:00
Kbuild
s390/kexec_file: Add purgatory
2018-04-16 09:10:22 +02:00
Kconfig
dma-direct: Force unencrypted DMA under SME for certain DMA masks
2019-07-16 22:15:46 +02:00
Kconfig.debug
Kconfig: consolidate the "Kernel hacking" menu
2018-08-02 08:06:48 +09:00
Makefile
Kconfig updates for v5.3
2019-07-12 16:06:27 -07:00