On Tue, Sep 04, 2012 at 06:17:47PM +0800, Li Wang wrote: > For file system created on file-backed loop device, there will be two-levels > of > page cache present, which typically doubles the memory consumption.
And the right fix is to not use buffer I/O on the backing file instead of hacks like this. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/