On 4/8/2024 12:42 PM, Matthew Wilcox (Oracle) wrote:
This function is only currently used by the memory-failure code, so
we can omit it if we're not compiling in the memory-failure code.
Suggested-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
---
mm/page_vma_mapped.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c
index 48bfc17934cd..6e06267fc220 100644
--- a/mm/page_vma_mapped.c
+++ b/mm/page_vma_mapped.c
@@ -314,6 +314,7 @@ bool page_vma_mapped_walk(struct page_vma_mapped_walk *pvmw)
return false;
}
+#ifdef CONFIG_MEMORY_FAILURE
/**
* page_mapped_in_vma - check whether a page is really mapped in a VMA
* @page: the page to test
@@ -344,3 +345,4 @@ int page_mapped_in_vma(struct page *page, struct vm_area_struct *vma)
out:
return pvmw.address;
}
+#endif
Should below be put in the CONFIG_MEMORY_FAILURE bracket as well ?
include/linux/rmap.h: int page_mapped_in_vma(struct page *page, struct
vm_area_struct *vma);
with that,
Reviewed-by: Jane Chu <jane.chu@xxxxxxxxxx>
thanks,
-jane
