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--- Andrew Morton <akpm@osdl.org> wrote: > Rik van Riel <riel@surriel.com> wrote: > > The question is, why is the page not yet back on > the > > LRU by the time the data write completes ? > > Could be they're ext3 pages which were written out > by kjournald. Such > pages are marked dirty but have clean buffers. > ext3_writepage() will > discover that the page is actually clean and will > mark it thus without > performing any I/O. > I had conjectured that something like this might be happening without knowing the details of how ext3 implements writepage. The filesystem tested on here is ext3. > Shantanu, I suggest you add some instrumentation > there too, see if it's > working. (That'll be non-trivial. Just because we > hit PAGE_CLEAN: here > doesn't necessarily mean that the page will be > reclaimed). I'll do so and report back the results. Shantanu __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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