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Subject[PATCH v2 01/19] secretmem: Remove isolate_page
Date
The isolate_page operation is never called for filesystems, only
for device drivers which call SetPageMovable.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
---
mm/secretmem.c | 6 ------
1 file changed, 6 deletions(-)

diff --git a/mm/secretmem.c b/mm/secretmem.c
index 206ed6b40c1d..1c7f1775b56e 100644
--- a/mm/secretmem.c
+++ b/mm/secretmem.c
@@ -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,
--
2.35.1
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