Re: [PATCH 1/2] ARM: 9328/1: mm: try VMA lock-based page fault handling first

On Tue, Feb 20, 2024 at 11:03:50AM -0800, Suren Baghdasaryan wrote:

From: Wang Kefeng wangkefeng.wang@huawei.com

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 Signed-off-by: Suren Baghdasaryan surenb@google.com

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arch/arm/Kconfig | 1 + arch/arm/mm/fault.c | 30 ++++++++++++++++++++++++++++++ 2 files changed, 31 insertions(+)

No git id?

What kernel branch(s) does this go to?

confused,

greg k-h