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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-02-02 09:10:17 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-02-02 09:10:17 -0800 |
| commit | b3a54bf9ed76dff9dd26e1fc719431fb14604a8a (patch) | |
| tree | 38d2b3f00c71a881f303a06dfe361c9d6d591014 /arch/arm/kernel/setup.c | |
| parent | c99197902da284b4b723451c1471c45b18537cde (diff) | |
| parent | e36f014edff70fc02b3d3d79cead1d58f289332e (diff) | |
Merge 3.19-rc7 into usb-next
We want the USB fixes in here to make merges easier.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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) { |