lkml.org 
[lkml]   [2017]   [Apr]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH 0/3] try to save some memory for kmem_cache in some cases
    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?

    \
     
     \ /
      Last update: 2017-04-30 23:23    [W:5.860 / U:0.004 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site