Re: [Oops] i386 mm/slab.c (cache_flusharray)
From: Christoph Hellwig
Date: Fri Dec 05 2003 - 09:23:54 EST
On Fri, Dec 05, 2003 at 08:34:25PM +1100, Nathan Scott wrote:
> You might be mixing up pb_pages and pb_addr there? pb_addr is
> always a pointer. We need to distinguish whether it was slab
> alloc'd or whether it points into page cache pages, so we know
> whether to page_cache_release the pages or kfree the pointer
> when we're done with the pagebuf.
> The pb_page_array works just as you describe, with a prealloc'd
> array of page pointers, and pb_pages either points to the array
> of to a larger kmalloc'd array as necessary.
Indeed. I'm not remembering the code as good as I hoped to :)
Sorry for the noise.
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