** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: intel
Status: Fix Committed => Fix Released
** Changed in: linux (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1801248
Title:
[AEP]Add micro-optimizations to dax page pinning
Status in intel:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Bug description:
Description
We think we can save a few cpu cycles when pinning user pages mmap'ed from
dax by avoiding the memtype_lock when looking up the memory type, and cache the
dev_pagemap structure so we don't need to search the radix tree for it for
every page.
Commits:
df06b37ffe5a442503b7095b77b0a970df515459
Target Kernel: 4.19
Target Release: 19.04
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