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SubjectRe: [RFC] invalidate_mmap_range() misses remap_file_pages()-affected targets
On Sun, 12 Oct 2003, William Lee Irwin III wrote:

> invalidate_mmap_range(), and hence vmtruncate(), can miss its targets
> due to remap_file_pages()

Please don't. Remap_file_pages() not 100% working the way
a normal mmap() works should be a case of "doctor, it hurts".

Making the VM more complex just to support the (allegedly
low overhead) hack of remap_file_pages() doesn't seem like
a worthwhile tradeoff to me.

In fact, I wouldn't mind if remap_file_pages() was simplified ;)

"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." - Brian W. Kernighan

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