Messages in this thread | | | Date | Wed, 30 Mar 2022 18:58:37 +0200 | From | David Sterba <> | Subject | Re: [PATCH v2 0/2] btrfs: allocate page arrays more efficiently |
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On Wed, Mar 30, 2022 at 12:44:05PM -0400, Sweet Tea Dorminy wrote: > In several places, btrfs allocates an array of pages, one at a time. In > addition to duplicating code, the mm subsystem provides a helper to > allocate multiple pages at once into an array which is suited for our > usecase. In the fast path, the batching can result in better allocation > decisions and less locking. This changeset first adjusts the users to > call a common array-of-pages allocation function, then adjusts that > common function to use the batch page allocator. > > v2: moved new helper to extent_io.[ch]. Fixed title format.
It does not address comments from https://lore.kernel.org/linux-btrfs/20220328230909.GW2237@twin.jikos.cz
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