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SubjectRe: [PATCH v3 0/4] Optimize the fast path of mas_store()
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在 2023/6/15 16:42, Peng Zhang 写道:
> Add fast paths for mas_wr_append() and mas_wr_slot_store() respectively.
> The newly added fast path of mas_wr_append() is used in fork() and how
> much it benefits fork() depends on how many VMAs are duplicated.
>
> Changes since v2:
> - Add test for expanding range in RCU mode. [2/4]
>
> v1: https://lore.kernel.org/lkml/20230602075353.5917-1-zhangpeng.00@bytedance.com/
> v2: https://lore.kernel.org/lkml/20230609120347.63936-1-zhangpeng.00@bytedance.com/
>
> Peng Zhang (4):
> maple_tree: add test for mas_wr_modify() fast path
> maple_tree: add test for expanding range in RCU mode
> maple_tree: optimize mas_wr_append(), also improve duplicating VMAs
> maple_tree: add a fast path case in mas_wr_slot_store()
>
> lib/maple_tree.c | 69 +++++++++++++++++++----------
> lib/test_maple_tree.c | 65 +++++++++++++++++++++++++++
> tools/testing/radix-tree/maple.c | 75 ++++++++++++++++++++++++++++++++
> 3 files changed, 186 insertions(+), 23 deletions(-)
>
Hi Andrew,

I think this patchset can be queued for testing.
Both v2 and v3 just update the test code.

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