Messages in this thread | | | Date | Thu, 12 Sep 2002 20:23:38 -0300 (BRT) | From | Rik van Riel <> | Subject | Re: invalidate_inode_pages in 2.5.32/3 |
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On Thu, 12 Sep 2002, Andrew Morton wrote: > Rik van Riel wrote:
> > invalidate_page(struct page * page) {
> That's the bottom-up approach. The top-down (vmtruncate) approach > would also work, if the locking is suitable.
The top-down approach will almost certainly be most efficient when invalidating a large chunk of a file (truncate, large file locks) while the bottom-up approach is probably more efficient when the system invalidates very few pages (small file lock, cluster file system mmap() support).
regards,
Rik -- Bravely reimplemented by the knights who say "NIH".
http://www.surriel.com/ http://distro.conectiva.com/
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