Re: [BLOCK] bh: Ensure bh fits within a page

Christoph Lameter <[email protected]> Tue, 1 Aug 2006 12:55:29 -0700 (PDT)
Newsgroups gmane.comp.file-systems.ext2.devel,gmane.linux.kernel
Message-ID <[email protected]>
On Tue, 1 Aug 2006, Steven Rostedt wrote:

> > Yes. But then that number must always be a fraction of pagesize.
> > 
> 
> understood, as is 1024, 2048, and 4096 are.  Well, if pagesize is 4096
> is 4096 really a fraction of 4096? :)
> 
> Also, isn't all sizes for kmalloc that are under pagesize a fraction of
> the page size? Or more correctly, a power of 2?

Well the size of the object and the alignment must be a fraction of the 
pagesize. If you get page aligned pages then I wonder why use the slab 
allocator? The page allocator will be much better suited.


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