mm/memory.c: fix comment of finish_mkwrite_fault()

Liu Xiang · torvalds · commit 2797e79f1a49 · 2021-06-29T10:53:51.000-07:00
Fix the return value in comment of finish_mkwrite_fault(). Link: https://lkml.kernel.org/r/20210513093931.15234-1-liu.xiang@zlingsmart.com Signed-off-by: Liu Xiang <liu.xiang@zlingsmart.com> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/mm/memory.c b/mm/memory.c
@@ -3049,7 +3049,7 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
  * The function expects the page to be locked or other protection against
  * concurrent faults / writeback (such as DAX radix tree locks).
  *
- * Return: %VM_FAULT_WRITE on success, %0 when PTE got changed before
+ * Return: %0 on success, %VM_FAULT_NOPAGE when PTE got changed before
  * we acquired PTE lock.
  */
 vm_fault_t finish_mkwrite_fault(struct vm_fault *vmf)

Original file line number	Diff line number	Diff line change
`@@ -3049,7 +3049,7 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)`
`3049`	`3049`	`* The function expects the page to be locked or other protection against`
`3050`	`3050`	`* concurrent faults / writeback (such as DAX radix tree locks).`
`3051`	`3051`	`*`
`3052`		`- * Return: %VM_FAULT_WRITE on success, %0 when PTE got changed before`
	`3052`	`+ * Return: %0 on success, %VM_FAULT_NOPAGE when PTE got changed before`
`3053`	`3053`	`* we acquired PTE lock.`
`3054`	`3054`	`*/`
`3055`	`3055`	`vm_fault_t finish_mkwrite_fault(struct vm_fault *vmf)`