Session Name: MMC and MQ – BUD17-211

This session will detail and respond to questions regarding the latest developments in the MMC/SD stack and how we are moving forward with block multiqueueing (blk-mq) and the Budget Fair Queueing (BFQ) patch set

Speakers: Ulf Hansson, Linus Walleij
Track: Kernel
Session ID: BUD17-211
Resource page:

Session Name: Implementing contiguous page hint for anonymous pages in user space – BUD17-305

Contiguous page hint is a feature in AArch32 and AArch64 which could decrease the number of TLB misses and improve the performance by sharing a single TLB entry across 16 4k pages whenever the pages are also physically contiguous. Currently, it is only used in hugetlb which limited the scenarios where it can be used. This session will share and discuss following things:
1. The current design of hugepage, transparent hugepage and page
Fault and proposal from Bamvor

2. Compare and analyze the performance of different designs, including
transparent hugepage, hugepage and Bamvor’ design.

3. Discuss the scenarios which are suitable for this work beyond the

Speakers: Bamvor Jian Zhang
Track: Kernel
Session ID: BUD17-305
Resource page:

Kernel sessions from BUD17

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