From: Eric Dumazet <[EMAIL PROTECTED]> Date: Fri, 21 Dec 2007 15:45:08 +0100
> [SOCK] Avoid divides in sk_stream_pages() and __sk_stream_mem_reclaim() > > sk_forward_alloc being signed, we should take care of divides by > SK_STREAM_MEM_QUANTUM we do in sk_stream_pages() and > __sk_stream_mem_reclaim() > > This patchs introduces SK_STREAM_MEM_QUANTUM_SHIFT, defined > as ilog2(SK_STREAM_MEM_QUANTUM), to be able to use right > shifts instead of plain divides. > > This should help compiler to choose right shifts instead of > expensive divides (as seen with CONFIG_CC_OPTIMIZE_FOR_SIZE=y on x86) > > Signed-off-by: Eric Dumazet <[EMAIL PROTECTED]> Applied, thanks Eric. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
