Re: [PATCH RFCv2] mm/madvise: introduce MADV_POPULATE_(READ|WRITE) to prefault/prealloc memory

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diff --git a/mm/internal.h b/mm/internal.h
index 9902648f2206..a5c4ed23b1db 100644
--- a/mm/internal.h
+++ b/mm/internal.h
@@ -340,6 +340,9 @@ void __vma_unlink_list(struct mm_struct *mm,
struct vm_area_struct *vma);
 #ifdef CONFIG_MMU
 extern long populate_vma_page_range(struct vm_area_struct *vma,
 		unsigned long start, unsigned long end, int *nonblocking);
+extern long faultin_vma_page_range(struct vm_area_struct *vma,
+				   unsigned long start, unsigned long end,
+				   bool write, int *nonblocking);
 extern void munlock_vma_pages_range(struct vm_area_struct *vma,
 			unsigned long start, unsigned long end);
 static inline void munlock_vma_pages_all(struct vm_area_struct *vma)

The parameter name does not match the one in the implementation.

Otherwise the implementation looks fine AFAICT.

Eike




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