The patch titled
Subject: mm/hwpoison-inject: support injecting hwpoison to free page
has been removed from the -mm tree. Its filename was
mm-hwpoison-inject-support-injecting-hwpoison-to-free-page.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: mm/hwpoison-inject: support injecting hwpoison to free page
memory_failure() can handle free buddy page. Support injecting hwpoison
to free page by adding is_free_buddy_page check when hwpoison filter is
disabled.
[akpm@xxxxxxxxxxxxxxxxxxxx: export is_free_buddy_page() to modules]
Link: https://lkml.kernel.org/r/20220218092052.3853-1-linmiaohe@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Cc: Naoya Horiguchi <naoya.horiguchi@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/hwpoison-inject.c | 4 ++--
mm/page_alloc.c | 1 +
2 files changed, 3 insertions(+), 2 deletions(-)
--- a/mm/hwpoison-inject.c~mm-hwpoison-inject-support-injecting-hwpoison-to-free-page
+++ a/mm/hwpoison-inject.c
@@ -32,9 +32,9 @@ static int hwpoison_inject(void *data, u
shake_page(hpage);
/*
- * This implies unable to support non-LRU pages.
+ * This implies unable to support non-LRU pages except free page.
*/
- if (!PageLRU(hpage) && !PageHuge(p))
+ if (!PageLRU(hpage) && !PageHuge(p) && !is_free_buddy_page(p))
return 0;
/*
--- a/mm/page_alloc.c~mm-hwpoison-inject-support-injecting-hwpoison-to-free-page
+++ a/mm/page_alloc.c
@@ -9417,6 +9417,7 @@ bool is_free_buddy_page(struct page *pag
return order < MAX_ORDER;
}
+EXPORT_SYMBOL(is_free_buddy_page);
#ifdef CONFIG_MEMORY_FAILURE
/*
_
Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are
mm-huge_memory-make-is_transparent_hugepage-static.patch
