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ARM: 9328/1: mm: try VMA lock-based page fault handling first
[ Upstream commit c16af12 ] Attempt VMA lock-based page fault handling first, and fall back to the existing mmap_lock-based handling if that fails, the ebizzy benchmark shows 25% improvement on qemu with 2 cpus. Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> Stable-dep-of: e870920 ("arch/arm/mm: fix major fault accounting when retrying under per-VMA lock") Signed-off-by: Sasha Levin <sashal@kernel.org>
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Wang Kefeng
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Sasha Levin
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Mar 15, 2024
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