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SubjectRe: [PATCH][RFC] slub: increasing order reduces memory usage of some key caches
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On Fri, 2008-07-18 at 09:20 -0500, Christoph Lameter wrote:
> Richard Kennedy wrote:
>
> > Slabcache: radix_tree_node Aliases: 0 Order : 1 Objects: 33564
>
> Argh. Should this not be the dentry cache? Wrong numbers?
>
>
sorry -- yes I cut & pasted the wrong set.

**2.6.26
Slabcache: dentry Aliases: 0 Order : 0 Objects: 22553
** Reclaim accounting active

Sizes (bytes) Slabs Debug Memory
------------------------------------------------------------------------
Object : 208 Total : 1188 Sanity Checks : Off Total: 4866048
SlabObj: 208 Full : 1186 Redzoning : Off Used : 4691024
SlabSiz: 4096 Partial: 0 Poisoning : Off Loss : 175024
Loss : 0 CpuSlab: 2 Tracking : Off Lalig: 0
Align : 8 Objects: 19 Tracing : Off Lpadd: 171072
**after make
Slabcache: dentry Aliases: 0 Order : 0 Objects: 80076
** Reclaim accounting active

Sizes (bytes) Slabs Debug Memory
------------------------------------------------------------------------
Object : 208 Total : 4215 Sanity Checks : Off Total: 17264640
SlabObj: 208 Full : 4205 Redzoning : Off Used : 16655808
SlabSiz: 4096 Partial: 8 Poisoning : Off Loss : 608832
Loss : 0 CpuSlab: 2 Tracking : Off Lalig: 0
Align : 8 Objects: 19 Tracing : Off Lpadd: 606960



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