Re: Pagecache: find_or_create_page does not call a proper pageallocator function

From: Christoph Lameter
Date: Tue Apr 24 2007 - 16:12:59 EST

On Tue, 24 Apr 2007, Andrew Morton wrote:

> > A highmem page can have buffers???
> yep. Take a 4k page which is stored in four discontiguous 1k disk blocks. The
> data at page_buffers(page) is the sole way in which we track which parts of
> the page belong to which blocks of the disk.

But I see no use of kmap for buffer access? The data is not accessible.

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