Re: Pagecache: find_or_create_page does not call a proper page allocator function

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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References:
- Pagecache: find_or_create_page does not call a proper page allocator function
  - From: Christoph Lameter <[email protected]>
- Re: Pagecache: find_or_create_page does not call a proper page allocator function
  - From: Andrew Morton <[email protected]>
- Re: Pagecache: find_or_create_page does not call a proper page allocator function
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- Re: Pagecache: find_or_create_page does not call a proper page allocator function
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- Re: Pagecache: find_or_create_page does not call a proper page allocator function
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- Re: Pagecache: find_or_create_page does not call a proper page allocator function
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- Re: Pagecache: find_or_create_page does not call a proper page allocator function
  - From: Hugh Dickins <[email protected]>
- Re: Pagecache: find_or_create_page does not call a proper page allocator function
  - From: Christoph Lameter <[email protected]>
- Re: Pagecache: find_or_create_page does not call a proper page allocator function
  - From: Andrew Morton <[email protected]>
- Re: Pagecache: find_or_create_page does not call a proper page allocator function
  - From: Christoph Lameter <[email protected]>
- Re: Pagecache: find_or_create_page does not call a proper page allocator function
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