From 81218f80a70768589ee30e14a8889336f070a339 Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" Date: Tue, 7 Jun 2022 15:37:50 -0400 Subject: secretmem: Remove isolate_page The isolate_page operation is never called for filesystems, only for device drivers which call SetPageMovable. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: David Hildenbrand --- mm/secretmem.c | 6 ------ 1 file changed, 6 deletions(-) (limited to 'mm/secretmem.c') 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, -- cgit v1.2.3 From 5409548df3876a6fa9115bce237c93c3d50d6cb6 Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" Date: Mon, 6 Jun 2022 11:30:43 -0400 Subject: secretmem: Convert to migrate_folio This is little more than changing the types over; there's no real work being done in this function. Signed-off-by: Matthew Wilcox (Oracle) --- mm/secretmem.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'mm/secretmem.c') diff --git a/mm/secretmem.c b/mm/secretmem.c index 1c7f1775b56e..658a7486efa9 100644 --- a/mm/secretmem.c +++ b/mm/secretmem.c @@ -133,9 +133,8 @@ static const struct file_operations secretmem_fops = { .mmap = secretmem_mmap, }; -static int secretmem_migratepage(struct address_space *mapping, - struct page *newpage, struct page *page, - enum migrate_mode mode) +static int secretmem_migrate_folio(struct address_space *mapping, + struct folio *dst, struct folio *src, enum migrate_mode mode) { return -EBUSY; } @@ -149,7 +148,7 @@ static void secretmem_free_folio(struct folio *folio) const struct address_space_operations secretmem_aops = { .dirty_folio = noop_dirty_folio, .free_folio = secretmem_free_folio, - .migratepage = secretmem_migratepage, + .migrate_folio = secretmem_migrate_folio, }; static int secretmem_setattr(struct user_namespace *mnt_userns, -- cgit v1.2.3