Re: [QUICKLIST 1/5] Quicklists for page table pages V3

[Paul Mackerras]

Christoph Lameter writes:

> +static inline void *quicklist_alloc(int nr, gfp_t flags, void (*ctor)(void *))
> +{

...

> +	p = (void *)__get_free_page(flags | __GFP_ZERO);

This will cause problems on 64-bit powerpc, at least with 4k pages,
since the pmd and pgd levels only use 1/4 of a page.

Paul.
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