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SubjectRe: [PATCH] mm/memory-failure: Fix return wrong value when isolate page fail
> When we isolate page fail, we should not return 0, because we do not
> set page HWPoison on any page.
>
> Signed-off-by: Muchun Song <songmuchun@bytedance.com>
> ---
> mm/memory-failure.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/mm/memory-failure.c b/mm/memory-failure.c
> index 696505f56910..4eb3c42ffe35 100644
> --- a/mm/memory-failure.c
> +++ b/mm/memory-failure.c
> @@ -1850,6 +1850,7 @@ static int __soft_offline_page(struct page *page)
> } else {
> pr_info("soft offline: %#lx: %s isolation failed: %d, page count %d, type %lx (%pGp)\n",
> pfn, msg_page[huge], ret, page_count(page), page->flags, &page->flags);
> + ret = -EBUSY;
> }
> return ret;
> }
> --

Acked-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
> 2.11.0
>
>

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