diff options
| author | Ingo Molnar <mingo@kernel.org> | 2015-02-04 07:53:17 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-02-04 07:53:17 +0100 |
| commit | 2622e849a1d3d3ef531d1cc33308bb7fd00eee40 (patch) | |
| tree | f2be9d9f08444cb93b3a8f87099fe4ff8ac3cd57 /arch/arm/kernel/setup.c | |
| parent | 996636ddae5cab8883bd76b996cd4f2ea9a152be (diff) | |
| parent | e36f014edff70fc02b3d3d79cead1d58f289332e (diff) | |
| download | kernel_replicant_linux-2622e849a1d3d3ef531d1cc33308bb7fd00eee40.tar.gz kernel_replicant_linux-2622e849a1d3d3ef531d1cc33308bb7fd00eee40.tar.bz2 kernel_replicant_linux-2622e849a1d3d3ef531d1cc33308bb7fd00eee40.zip | |
Merge tag 'v3.19-rc7' into locking/core, to refresh the branch before applying new changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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) { |