On 2/15/19 12:34 PM, Dave Hansen wrote:
-#if (defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) ||
defined(CONFIG_CMA)
+#ifdef CONFIG_CONTIG_ALLOC
/* The below functions must be run on a range from a single zone. */
extern int alloc_contig_range(unsigned long start, unsigned
> -#if (defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) ||
> defined(CONFIG_CMA)
> +#ifdef CONFIG_CONTIG_ALLOC
> /* The below functions must be run on a range from a single zone. */
> extern int alloc_contig_range(unsigned long start, unsigned long end,
>
On 2/14/19 8:31 PM, Alexandre Ghiti wrote:
> On systems without CMA or (MEMORY_ISOLATION && COMPACTION) activated but
> that support gigantic pages, boottime reserved gigantic pages can not be
> freed at all. This patch simply enables the possibility to hand back
> those pages to memory allocator.
