Messages in this thread Patch in this message | | | Date | Mon, 24 Oct 2022 23:21:40 +0200 | Subject | [PATCH 1/5] mm: kmsan: export kmsan_copy_page_meta() | From | Alexander Potapenko <> |
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Certain modules call copy_user_highpage(), which calls kmsan_copy_page_meta() under KMSAN, so we need to export the latter.
Cc: Andrew Morton <akpm@linux-foundation.org> Fixes: b073d7f8aee4 ("mm: kmsan: maintain KMSAN metadata for page operations") Link: https://github.com/google/kmsan/issues/89 Signed-off-by: Alexander Potapenko <glider@google.com> --- mm/kmsan/shadow.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/mm/kmsan/shadow.c b/mm/kmsan/shadow.c index 21e3e196ec3cf..a787c04e9583c 100644 --- a/mm/kmsan/shadow.c +++ b/mm/kmsan/shadow.c @@ -167,6 +167,7 @@ void kmsan_copy_page_meta(struct page *dst, struct page *src) __memcpy(origin_ptr_for(dst), origin_ptr_for(src), PAGE_SIZE); kmsan_leave_runtime(); } +EXPORT_SYMBOL(kmsan_copy_page_meta); void kmsan_alloc_page(struct page *page, unsigned int order, gfp_t flags) { -- 2.38.0.135.g90850a2211-goog
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