Message ID | 20210425070752.17783-3-songmuchun@bytedance.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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identity=mailfrom; envelope-from="<songmuchun@bytedance.com>"; helo=mail-pg1-f178.google.com; client-ip=209.85.215.178 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1619334792-623684 Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: <linux-mm.kvack.org> |
Series |
Free some vmemmap pages of HugeTLB page
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expand
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diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c index 3aaf1d30c777..65ea58527176 100644 --- a/arch/x86/mm/init_64.c +++ b/arch/x86/mm/init_64.c @@ -1270,7 +1270,7 @@ static struct kcore_list kcore_vsyscall; static void __init register_page_bootmem_info(void) { -#ifdef CONFIG_NUMA +#if defined(CONFIG_NUMA) || defined(CONFIG_HUGETLB_PAGE_FREE_VMEMMAP) int i; for_each_online_node(i) diff --git a/fs/Kconfig b/fs/Kconfig index dcd9161fbeba..6ce6fdac00a3 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -240,6 +240,11 @@ config HUGETLBFS config HUGETLB_PAGE def_bool HUGETLBFS +config HUGETLB_PAGE_FREE_VMEMMAP + def_bool HUGETLB_PAGE + depends on X86_64 + depends on SPARSEMEM_VMEMMAP + config MEMFD_CREATE def_bool TMPFS || HUGETLBFS