Re: [RFC PATCH] arm64/hugetlb enable gigantic hugepage
From: Michal Hocko <mhocko@kernel.org>
Date: 2016-08-19 10:25:55
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On Thu 18-08-16 20:05:29, Xie Yisheng wrote:
As we know, arm64 also support gigantic hugepage eg. 1G.
Well, I do not know that. How can I check? Anyway to the patch [...]
quoted hunk ↗ jump to hunk
index 87e11d8..b4d8048 100644--- a/mm/hugetlb.c +++ b/mm/hugetlb.c@@ -1022,7 +1022,8 @@ static int hstate_next_node_to_free(struct hstate *h, nodemask_t *nodes_allowed) ((node = hstate_next_node_to_free(hs, mask)) || 1); \ nr_nodes--) -#if (defined(CONFIG_X86_64) || defined(CONFIG_S390)) && \ +#if (defined(CONFIG_X86_64) || defined(CONFIG_S390) || \ + defined(CONFIG_ARM64)) && \ ((defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) || \ defined(CONFIG_CMA))
this ifdef is getting pretty unwieldy. For one thing I think that respective archs should enable ARCH_HAVE_GIGANTIC_PAGES.
static void destroy_compound_gigantic_page(struct page *page, -- 1.7.12.4 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
-- Michal Hocko SUSE Labs -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>