Messages in this thread |  | | Date | Sun, 30 Apr 2017 16:22:47 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: [PATCH 0/3] try to save some memory for kmem_cache in some cases |
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On Sun, 30 Apr 2017, Wei Yang wrote:
> kmem_cache is a frequently used data in kernel. During the code reading, I > found maybe we could save some space in some cases. > > 1. On 64bit arch, type int will occupy a word if it doesn't sit well. > 2. cpu_slab->partial is just used when CONFIG_SLUB_CPU_PARTIAL is set > 3. cpu_partial is just used when CONFIG_SLUB_CPU_PARTIAL is set, while just > save some space on 32bit arch.
This looks fine. But do we really want to add that amount of ifdeffery? How much memory does this save?
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