Messages in this thread | | | From | Michael Ellerman <> | Subject | Re: [PATCH] powerpc/8xx: Load modules closer to kernel text | Date | Thu, 01 Apr 2021 00:39:14 +1100 |
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Christophe Leroy <christophe.leroy@csgroup.eu> writes: > On the 8xx, TASK_SIZE is 0x80000000. The space between TASK_SIZE and > PAGE_OFFSET is not used. > > Use it to load modules in order to minimise the distance between > kernel text and modules and avoid trampolines in modules to access > kernel functions or other module functions. > > Define a 16Mbytes area for modules, that's more than enough.
16MB seems kind of small.
At least on 64-bit we could potentially have hundreds of MBs of modules.
cheers
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