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Message-Id: <20230615084301.97701-1-zhangpeng.00@bytedance.com>
Date: Thu, 15 Jun 2023 16:42:57 +0800
From: Peng Zhang <zhangpeng.00@...edance.com>
To: Liam.Howlett@...cle.com
Cc: akpm@...ux-foundation.org, linux-mm@...ck.org,
linux-kernel@...r.kernel.org, maple-tree@...ts.infradead.org,
Peng Zhang <zhangpeng.00@...edance.com>
Subject: [PATCH v3 0/4] Optimize the fast path of mas_store()
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(-)
--
2.20.1
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