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| author | Amit Pundir <amit.pundir@linaro.org> | 2016-02-18 00:20:12 +0530 |
|---|---|---|
| committer | Amit Pundir <amit.pundir@linaro.org> | 2016-02-18 00:20:12 +0530 |
| commit | 02bbd06e489a9f56910973535152d3ec47f3fdcc (patch) | |
| tree | 93a9a4d687da4d423c92cc4a82001f3792c0b259 /arch/arm64/mm/mmap.c | |
| parent | 34f6d2c9d12a97271d55c7b204443b2da9e6c29e (diff) | |
| parent | 3d0f8b944b0ab4ec79d8d0b93d8038971095337a (diff) | |
Merge branch 'android-4.4' of https://android.googlesource.com/kernel/commonlsk-v4.4-16.02-android
* android-4.4: (475 commits)
android: base-cfg: Add CONFIG_IP_MULTICAST
android: recommended.cfg: enable taskstats
ANDROID: android: base-cfg: disable CONFIG_SYSVIPC
android: configs: base: enable configfs gadget functions
android: add CONFIG_DEBUG_RODATA to recommended config
android: configs: remove CONFIG_BATTERY_ANDROID=y
android: configs: base: enable IPV6
android: configs: Enable SELinux and its dependencies.
android: base-cfg: disable ALARM_DEV
android: base-cfg: turn off /dev/mem and /dev/kmem
android: base-cfg: enable ARMV8_DEPRECATED and subfeatures
android: base-cfg: enforce the needed XFRM_MODE_TUNNEL (for VPN)
android: base-cfg: disable LOGGER
android: base-cfg: enable DM_VERITY (used for secureboot)
android: configs: add systrace support to recommended configs
android: configs: update 3.10 options
android: configs: Add CONFIG_NETFILTER_XT_TARGET_IDLETIMER
android: configs: add IPV6 ROUTE INFO
android: configs: add TIMER_STATS back, helps with sysrq t.
android: configs: Add HIDRAW to recommended set
...
Diffstat (limited to 'arch/arm64/mm/mmap.c')
| -rw-r--r-- | arch/arm64/mm/mmap.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/arch/arm64/mm/mmap.c b/arch/arm64/mm/mmap.c index ed177475dd8c..4c893b5189dd 100644 --- a/arch/arm64/mm/mmap.c +++ b/arch/arm64/mm/mmap.c @@ -51,8 +51,12 @@ unsigned long arch_mmap_rnd(void) { unsigned long rnd; - rnd = (unsigned long)get_random_int() & STACK_RND_MASK; - +#ifdef CONFIG_COMPAT + if (test_thread_flag(TIF_32BIT)) + rnd = (unsigned long)get_random_int() & ((1 << mmap_rnd_compat_bits) - 1); + else +#endif + rnd = (unsigned long)get_random_int() & ((1 << mmap_rnd_bits) - 1); return rnd << PAGE_SHIFT; } |