Re: [PATCH] slab leak detector (Was: Size-128 slab leak)

Andrew Morton wrote:
> > Which slabs are those?  SLAB_HWCACHE_ALIGN?  If so, that's quite a lot of
> > them (more than needed, probably).

On 2/3/06, Manfred Spraul <[email protected]> wrote:
> Slabs with 4 kB or larger objects.

Hmm. The relevant check is:

        if ((size < 4096
             || fls(size - 1) == fls(size - 1 + 3 * BYTES_PER_WORD)))

So for example, when object size is 4097, we _will_ get redzoning.
Shouldn't that be 5 * BYTES_PER_WORD btw?

                  Pekka
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• References:
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    • From: Pekka J Enberg <[email protected]>
  • Re: [PATCH] slab leak detector (Was: Size-128 slab leak)
    • From: Andrew Morton <[email protected]>
  • Re: [PATCH] slab leak detector (Was: Size-128 slab leak)
    • From: Manfred Spraul <[email protected]>

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