Re: [External] Re: [PATCH v2 03/19] mm/hugetlb: Introduce a new config HUGETLB_PAGE_FREE_VMEMMAP

2020-10-29 Thread Muchun Song
On Thu, Oct 29, 2020 at 6:29 PM Oscar Salvador wrote: > > On Mon, Oct 26, 2020 at 10:50:58PM +0800, Muchun Song wrote: > > The purpose of introducing HUGETLB_PAGE_FREE_VMEMMAP is to configure > > whether to enable the feature of freeing unused vmemmap associated > > with HugeTLB pages. Now only su

Re: [PATCH v2 03/19] mm/hugetlb: Introduce a new config HUGETLB_PAGE_FREE_VMEMMAP

2020-10-29 Thread Oscar Salvador
On Mon, Oct 26, 2020 at 10:50:58PM +0800, Muchun Song wrote: > The purpose of introducing HUGETLB_PAGE_FREE_VMEMMAP is to configure > whether to enable the feature of freeing unused vmemmap associated > with HugeTLB pages. Now only support x86. Why this needs to be a config thing? If this space-me

[PATCH v2 03/19] mm/hugetlb: Introduce a new config HUGETLB_PAGE_FREE_VMEMMAP

2020-10-26 Thread Muchun Song
The purpose of introducing HUGETLB_PAGE_FREE_VMEMMAP is to configure whether to enable the feature of freeing unused vmemmap associated with HugeTLB pages. Now only support x86. Signed-off-by: Muchun Song --- arch/x86/mm/init_64.c | 2 +- fs/Kconfig| 16 2 files cha