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a0308c1315
linux/arch/s390
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Martin Schwidefsky a0308c1315 s390/mmap: take stack_guard_gap into account for mmap_base 
The s390 version of the mmap_base function is ignorant of stack_guard_gap
which can lead to a placement of the stack vs. the mmap base that does not
leave enough space for the stack rlimit.

Add the stack_guard_gap to the calculation and while we are at it the
check for gap+pad overflows as well.

Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2019-02-07 11:57:01 +01:00
..
appldata sched: loadavg: consolidate LOAD_INT, LOAD_FRAC, CALC_LOAD 2018-10-26 16:26:32 -07:00
boot s390/kasan: improve string/memory functions checks 2019-01-18 09:34:18 +01:00
configs s390: update defconfigs 2018-11-05 15:10:27 +01:00
crypto crypto: drop mask=CRYPTO_ALG_ASYNC from 'cipher' tfm allocations 2018-11-20 14:26:55 +08:00
hypfs s390/hypfs: no need to check return value of debugfs_create functions 2019-01-28 15:58:54 +01:00
include s390: pci: no need to check return value of debugfs_create functions 2019-01-28 15:58:54 +01:00
kernel s390: remove dead code 2019-02-07 11:56:57 +01:00
kvm Kconfig updates for v4.21 2018-12-29 13:03:29 -08:00
lib s390/kasan: improve string/memory functions checks 2019-01-18 09:34:18 +01:00
mm s390/mmap: take stack_guard_gap into account for mmap_base 2019-02-07 11:57:01 +01:00
net s390: bpf: implement jitting of BPF_ALU | BPF_ARSH | BPF_* 2018-12-07 13:30:48 -08:00
numa s390 updates for 4.20-rc2 2018-11-09 06:30:44 -06:00
oprofile
pci s390: pci: no need to check return value of debugfs_create functions 2019-01-28 15:58:54 +01:00
purgatory s390: clean up stacks setup 2018-09-20 13:20:29 +02:00
scripts s390/build: add *.o.chkbss files to targets list 2018-07-02 12:32:23 +02:00
tools kbuild: use assignment instead of define ... endef for filechk_* rules 2019-01-06 10:22:35 +09:00
defconfig s390: update defconfigs 2018-11-05 15:10:27 +01:00
Kbuild s390/kexec_file: Add purgatory 2018-04-16 09:10:22 +02:00
Kconfig s390: autogenerate compat syscall wrappers 2019-01-18 09:33:19 +01:00
Kconfig.debug Kconfig: consolidate the "Kernel hacking" menu 2018-08-02 08:06:48 +09:00
Makefile s390/kasan: increase instrumented stack size to 64k 2018-11-02 08:31:57 +01:00