diff options
Diffstat (limited to 'fs/sysfs/inode.c')
| -rw-r--r-- | fs/sysfs/inode.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index a494413..09a3409 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c @@ -22,14 +22,32 @@ #include <linux/sysfs.h> #include <linux/xattr.h> #include <linux/security.h> +#ifdef CONFIG_CMA_DEBUG_VERBOSE +#include <linux/migrate.h> +#endif #include "sysfs.h" extern struct super_block * sysfs_sb; +#ifdef CONFIG_CMA_DEBUG_VERBOSE +int sysfs_migrate_page(struct address_space *mapping, + struct page *newpage, struct page *page, enum migrate_mode mode) +{ + int rc = fallback_migrate_page(mapping, newpage, page, mode); + if (rc) { + pr_err("sysfs_migrate_page: fallback_migrate_page failed with error %d\n", rc); + } + return rc; +} +#endif + static const struct address_space_operations sysfs_aops = { .readpage = simple_readpage, .write_begin = simple_write_begin, .write_end = simple_write_end, +#ifdef CONFIG_CMA_DEBUG_VERBOSE + .migratepage = sysfs_migrate_page, +#endif }; static struct backing_dev_info sysfs_backing_dev_info = { |