diff options
Diffstat (limited to 'fs/block_dev.c')
| -rw-r--r-- | fs/block_dev.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/fs/block_dev.c b/fs/block_dev.c index dba761bea04..e961d3f9308 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -26,6 +26,9 @@ #include <linux/log2.h> #include <linux/kmemleak.h> #include <asm/uaccess.h> +#ifdef CONFIG_CMA_DEBUG_VERBOSE +#include <linux/migrate.h> +#endif #include "internal.h" struct bdev_inode { @@ -1574,6 +1577,18 @@ static int blkdev_releasepage(struct page *page, gfp_t wait) return try_to_free_buffers(page); } +#ifdef CONFIG_CMA_DEBUG_VERBOSE +int blkdev_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("blkdev_migrate_page: fallback_migrate_page failed with error %d\n", rc); + } + return rc; +} +#endif + static const struct address_space_operations def_blk_aops = { .readpage = blkdev_readpage, .writepage = blkdev_writepage, @@ -1582,6 +1597,9 @@ static const struct address_space_operations def_blk_aops = { .writepages = generic_writepages, .releasepage = blkdev_releasepage, .direct_IO = blkdev_direct_IO, +#ifdef CONFIG_CMA_DEBUG_VERBOSE + .migratepage = blkdev_migrate_page, +#endif }; const struct file_operations def_blk_fops = { |