diff options
| author | Dave Airlie <airlied@redhat.com> | 2015-01-27 09:48:08 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-01-27 09:48:08 +1000 |
| commit | 22cbbceff65cb03ee37495b52f360809fa439293 (patch) | |
| tree | 59ee71a72328743242a2357b0a0af8697d1640e4 /arch/arm/kernel/setup.c | |
| parent | 104b61590dcd5f71ff518e2b820e1cdf9d0350f2 (diff) | |
| parent | 26bc420b59a38e4e6685a73345a0def461136dce (diff) | |
Merge tag 'v3.19-rc6' into drm-fixes
Linux 3.19-rc6
pull in rc6 as the amdkfd fixes are based on it, and I'd rather
be doing the merges separately
Diffstat (limited to 'arch/arm/kernel/setup.c')
| -rw-r--r-- | arch/arm/kernel/setup.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 715ae19bc7c8..e55408e96559 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -657,10 +657,13 @@ int __init arm_add_memory(u64 start, u64 size) /* * Ensure that start/size are aligned to a page boundary. - * Size is appropriately rounded down, start is rounded up. + * Size is rounded down, start is rounded up. */ - size -= start & ~PAGE_MASK; aligned_start = PAGE_ALIGN(start); + if (aligned_start > start + size) + size = 0; + else + size -= aligned_start - start; #ifndef CONFIG_ARCH_PHYS_ADDR_T_64BIT if (aligned_start > ULONG_MAX) { |