I will check and fix it.
2006/3/20, Christoph Lameter <[email protected]>:
> On Mon, 20 Mar 2006, Stone Wang wrote:
>
> > 2. More consistent LRU semantics in Memory Management.
> > Mlocked pages is placed on a separate LRU list: Wired List.
> > The pages dont take part in LRU algorithms,for they could never be swapped,
> > until munlocked.
>
> This also implies that dirty bits of the pte for mlocked pages are never
> checked.
>
> Currently light swapping (which is very common) will scan over all pages
> and move the dirty bits from the pte into struct page. This may take
> awhile but at least at some point we will write out dirtied pages.
>
> The result of not scanning mlocked pages will be that mmapped files will
> not be updated unless either the process terminates or msync() is called.
>
>
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