Changeset 238 for trunk/kernel/mm/mapper.h
- Timestamp:
- Jul 19, 2017, 3:31:39 PM (7 years ago)
- File:
-
- 1 edited
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trunk/kernel/mm/mapper.h
r204 r238 49 49 * - The mapper is protected by a blocking "rwlock", to support several simultaneous 50 50 * readers, and only one writer. This lock implement a busy waiting policy. 51 * - The two functions vfs_move_page_to_mapper() and vfs_move_page_from_mapper() define52 * the generic API used to move pages to or from the relevant file system.53 * - the mapper_move() function is used to move data to or from a , possibly distributed54 * user buffer in user space.51 * - The vfs_mapper_move_page() and vfs_mapper_load_all() functions are used to move 52 * pages to or from the file system on device. 53 * - the mapper_move() function is used to move data to or from an user buffer. 54 * This user space buffer can be physically distributed in several clusters. 55 55 * - The mapper_get_page() function that return a page descriptor pointer from a page 56 56 * index in file is in charge of handling the miss on the mapper cache.
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