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21 Jun
2023
21 Jun
'23
10:54 a.m.
The tmp variable is used to copy_to_user(), it has better performance if the address accesseed by ldp instruction is 16 bytes aligned on arm64. The performance of nginx test is improved after this patch: http "Connection: close" 1.11% http "Connection: keep-alive" 2.11% https "Connection: close" 1.56% https "Connection: keep-alive" 0.18% Yang Yingliang (1): fs/stat: make tmp variable 16-bytes aligned in copy stat fs/stat.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) -- 2.25.1