Messages in this thread |  | | | Date | Fri, 8 Feb 2008 08:40:35 +0200 | | From | "Pekka Enberg" <> | | Subject | Re: [PATCH 1/2] kmemcheck v3 |
On Feb 8, 2008 1:32 AM, Christoph Lameter <clameter@sgi.com> wrote:
> But the slab layer allocates pages < PAGE_SIZE. You need to take a fault
> right? So each object would need its own page?
No. We allocate a shadow page for each data page which we then use as
a per-byte "bitmap." For every tracked _page_ we take the page fault
always.
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