[PATCH v2 4/4] mm/vmalloc: Hugepage vmalloc mappings

Matthew Wilcox willy at infradead.org
Mon Apr 13 23:41:06 AEST 2020


On Mon, Apr 13, 2020 at 10:53:03PM +1000, Nicholas Piggin wrote:
> +static int vmap_pages_range_noflush(unsigned long start, unsigned long end,
> +				    pgprot_t prot, struct page **pages,
> +				    unsigned int page_shift)
> +{
> +	if (page_shift == PAGE_SIZE) {

... I think you meant 'page_shift == PAGE_SHIFT'

Overall I like this series, although it's a bit biased towards CPUs
which have page sizes which match PMD/PUD sizes.  It doesn't offer the
possibility of using 64kB page sizes on ARM, for example.  But it's a
step in the right direction.


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