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SubjectRe: [PATCH] mm: hugetlb_vmemmap: fix CONFIG_HUGETLB_PAGE_FREE_VMEMMAP_DEFAULT_ON
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On 5/27/22 10:19, Muchun Song wrote:
> The following:
>
> commit 47010c040dec ("mm: hugetlb_vmemmap: cleanup CONFIG_HUGETLB_PAGE_FREE_VMEMMAP*")
>
> forgot to update CONFIG_HUGETLB_PAGE_FREE_VMEMMAP_DEFAULT_ON used in
> vmemmap_optimize_mode to CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON.
> The result is we cannot enable hugetlb_optimize_vmemmap at boot time
> when we configure CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON. Fix
> it.
>
> Reported-by: Vlastimil Babka <vbabka@suse.cz>
> Fixes: 47010c040dec ("mm: hugetlb_vmemmap: cleanup CONFIG_HUGETLB_PAGE_FREE_VMEMMAP*")
> Signed-off-by: Muchun Song <songmuchun@bytedance.com>

Acked-by: Vlastimil Babka <vbabka@suse.cz>

> ---
> mm/hugetlb_vmemmap.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/hugetlb_vmemmap.c b/mm/hugetlb_vmemmap.c
> index fcd9f7872064..1089ea8a9c98 100644
> --- a/mm/hugetlb_vmemmap.c
> +++ b/mm/hugetlb_vmemmap.c
> @@ -33,7 +33,7 @@ DEFINE_STATIC_KEY_MAYBE(CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON,
> EXPORT_SYMBOL(hugetlb_optimize_vmemmap_key);
>
> static enum vmemmap_optimize_mode vmemmap_optimize_mode =
> - IS_ENABLED(CONFIG_HUGETLB_PAGE_FREE_VMEMMAP_DEFAULT_ON);
> + IS_ENABLED(CONFIG_HUGETLB_PAGE_OPTIMIZE_VMEMMAP_DEFAULT_ON);
>
> static void vmemmap_optimize_mode_switch(enum vmemmap_optimize_mode to)
> {

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