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SubjectRe: [PATCH] x86, mm: Reserver some memory for bootmem allocator for NO_BOOTMEM
On Fri, 7 Sep 2018, Feng Tang wrote:
> On Fri, Aug 31, 2018 at 09:36:59PM +0800, Feng Tang wrote:
> > Any sugestion? I can only have patch like this:
>
> Could you review this patch, as at this time window there is no usable memory
> block or other memory allocators that I know, so I follow the exisitng static
> fixmap page table code and add one more.

You really want to add a proper sanity check for this. The static stuff has
to cover the fixmap. Just making it work for this particular case is sloppy
at best as the next larger change of the fixmap will just bring the problem
back.

Thanks,

tglx

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