Commit 81218f80 authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle)
Browse files

secretmem: Remove isolate_page 



The isolate_page operation is never called for filesystems, only
for device drivers which call SetPageMovable.

Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: default avatarDavid Hildenbrand <david@redhat.com>
parent 37ce0b31

mm/secretmem.c

+0 −6
Original line number Diff line number Diff line
@@ -133,11 +133,6 @@ static const struct file_operations secretmem_fops = { 
	.mmap		= secretmem_mmap,

};



static bool secretmem_isolate_page(struct page *page, isolate_mode_t mode)

{

	return false;

}



static int secretmem_migratepage(struct address_space *mapping,

				 struct page *newpage, struct page *page,

				 enum migrate_mode mode)
@@ -155,7 +150,6 @@ const struct address_space_operations secretmem_aops = { 
	.dirty_folio	= noop_dirty_folio,

	.free_folio	= secretmem_free_folio,

	.migratepage	= secretmem_migratepage,

	.isolate_page	= secretmem_isolate_page,

};



static int secretmem_setattr(struct user_namespace *mnt_userns,