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    SubjectRe: [PATCH] Optimize relay_alloc_page_array() slightly by using vzalloc rather than vmalloc and memset
    * Jens Axboe ( wrote:
    > On 2010-10-30 17:47, Mathieu Desnoyers wrote:
    > > BLK_DEV_IO_TRACE seems to still select RELAY. Has it completed its
    > > transition to either Ftrace or Perf ? Depending on Jens, moving blktrace
    > > relay dependency to the Generic Ring Buffer Library might be a good
    > > option to consider.
    > The blktrace user bits is still (by far) the most wide spread way that
    > blktrace is used in the field, and those still rely on relayfs. So no,
    > we can't kill it now.

    What I am proposing is that the Generic Ring Buffer Library could
    replace relayfs without changing any of the interfaces blktrace exposes
    to user-space. Indeed, I would not remove relayfs unless there was a



    Mathieu Desnoyers
    Operating System Efficiency R&D Consultant
    EfficiOS Inc.

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