Re: downgrade_write replacement in remap_file_pages

[David Howells]

> 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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/