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charset=UTF-8 Content-Transfer-Encoding: 7bit On 5/26/24 18:57, Byungchul Park wrote: ... > Plus, I will add another give-up at code changing the permission of vma > to writable. I suspect you have a much more general problem on your hands. Just tweaking the VFS or mmap() code likely isn't going to cut it. I guess we'll see what you come up with next, but this email was really just the result of Vlastimil and I chatting on IRC for five minutes about this set. It has absolutely not been tested nor reviewed enough. I hope the performance gains stick around once more of the bugs are gone.