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| author | Peter Zijlstra <peterz@infradead.org> | 2013-11-18 18:27:06 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-12-11 15:52:34 +0100 |
| commit | be5e610c0fd6ef772cafb9e0bd4128134804aef3 (patch) | |
| tree | 4cc4da2eea52c51ce868944aba28edf171a2d871 /mm | |
| parent | ba1f14fbe70965ae0fb1655a5275a62723f65b77 (diff) | |
| download | op-kernel-dev-be5e610c0fd6ef772cafb9e0bd4128134804aef3.zip op-kernel-dev-be5e610c0fd6ef772cafb9e0bd4128134804aef3.tar.gz | |
math64: Add mul_u64_u32_shr()
Introduce mul_u64_u32_shr() as proposed by Andy a while back; it
allows using 64x64->128 muls on 64bit archs and recent GCC
which defines __SIZEOF_INT128__ and __int128.
(This new method will be used by the scheduler.)
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: fweisbec@gmail.com
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Link: http://lkml.kernel.org/n/tip-hxjoeuzmrcaumR0uZwjpe2pv@git.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'mm')
0 files changed, 0 insertions, 0 deletions
