Messages in this thread | | | Date | Tue, 24 Apr 2007 13:12:42 -0700 (PDT) | From | Christoph Lameter <> | Subject | Re: Pagecache: find_or_create_page does not call a proper page allocator function |
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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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