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SubjectRe: downgrade_write replacement in remap_file_pages
Date

> Apparently downgrade_write deadlocks the kernel in the mmap_sem
> under load.

Which implementation of rwsems is your kernel using? The spinlock-based one or
the XADD based one? Have you tried the other version?

Have you more than 32767 processes?

Do you have any stack traces?

David
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