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    SubjectRe: [PATCH] Optimize relay_alloc_page_array() slightly by using vzalloc rather than vmalloc and memset
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    * Jens Axboe (axboe@kernel.dk) 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.

    On Mon, Nov 1, 2010 at 3:08 PM, Mathieu Desnoyers
    <mathieu.desnoyers@polymtl.ca> wrote:
    > 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
    > replacement.

    We don't in general NAK cleanups because of future features or
    removals that may or may not happen.


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