Re: [PATCH v8 2/2] io_uring/rsrc: enable multi-hugepage buffer coalescing

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On 7/31/24 10:01, Chenliang Li wrote:
Add support for checking and coalescing multi-hugepage-backed fixed
buffers. The coalescing optimizes both time and space consumption caused
by mapping and storing multi-hugepage fixed buffers.

A coalescable multi-hugepage buffer should fully cover its folios
(except potentially the first and last one), and these folios should
have the same size. These requirements are for easier processing later,
also we need same size'd chunks in io_import_fixed for fast iov_iter
adjust.

Reviewed-by: Pavel Begunkov <asml.silence@xxxxxxxxx>

--
Pavel Begunkov




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