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SubjectRe: [RFC][PATCH] Sparse Memory Handling (hot-add foundation)
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Dave Hansen <haveblue@us.ibm.com> writes:

> The attached patch, largely written by Andy Whitcroft, implements a
> feature which is similar to DISCONTIGMEM, but has some added features.
> Instead of splitting up the mem_map for each NUMA node, this splits it
> up into areas that represent fixed blocks of memory. This allows
> individual pieces of that memory to be easily added and removed.

[...]

I'm curious - how does this affect .text size for a i386 or x86-64 NUMA
kernel? One area I wanted to improve on x86-64 for a long time was
to shrink the big virt_to_page() etc. inline macros. Your new code
actually looks a bit smaller.

-Andi
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