Messages in this thread | | | Date | Sun, 10 Jan 1999 21:41:57 GMT | From | "Stephen C. Tweedie" <> | Subject | Re: MM deadlock [was: Re: arca-vm-8...] |
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Hi,
On Sat, 9 Jan 1999 19:41:36 +0100 (CET), Andrea Arcangeli <andrea@e-mind.com> said:
> On Sat, 9 Jan 1999, Linus Torvalds wrote: >> refuse to touch an inode that is busy is a sure way to allow people to
> What do you mean for busy? What about refusing filemap_write_page() in > filemap_swapout() only if > !atomic_count(&vma->vm_file->d_entry->d_inode->i_sem.count)?
The problem with that is what happens if we have a large, active write-mapped file with lots of IO activity on it; we become essentially unable to swap that file out. That has really nasty VM death implications for things like databases.
--Stephen
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