mm: add nommu variant of vm_insert_pages()

axboe · axboe · commit 62346c6cb28b · 2024-04-15T08:10:26.000-06:00
An identical one exists for vm_insert_page(), add one for
vm_insert_pages() to avoid needing to check for CONFIG_MMU in code using
it.

Acked-by: Johannes Weiner &lt;hannes@cmpxchg.org&gt;
Signed-off-by: Jens Axboe &lt;axboe@kernel.dk&gt;
diff --git a/mm/nommu.c b/mm/nommu.c
@@ -355,6 +355,13 @@ int vm_insert_page(struct vm_area_struct *vma, unsigned long addr,
 }
 EXPORT_SYMBOL(vm_insert_page);
 
+int vm_insert_pages(struct vm_area_struct *vma, unsigned long addr,
+			struct page **pages, unsigned long *num)
+{
+	return -EINVAL;
+}
+EXPORT_SYMBOL(vm_insert_pages);
+
 int vm_map_pages(struct vm_area_struct *vma, struct page **pages,
 			unsigned long num)
 {

Original file line number	Diff line number	Diff line change
`@@ -355,6 +355,13 @@ int vm_insert_page(struct vm_area_struct *vma, unsigned long addr,`
`355`	`355`	`}`
`356`	`356`	`EXPORT_SYMBOL(vm_insert_page);`
`357`	`357`
	`358`	`+int vm_insert_pages(struct vm_area_struct *vma, unsigned long addr,`
	`359`	`+ struct page *pages, unsigned long num)`
	`360`	`+{`
	`361`	`+ return -EINVAL;`
	`362`	`+}`
	`363`	`+EXPORT_SYMBOL(vm_insert_pages);`
	`364`	`+`
`358`	`365`	`int vm_map_pages(struct vm_area_struct vma, struct page *pages,`
`359`	`366`	`unsigned long num)`
`360`	`367`	`{`