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| author | Karolina Drobnik <karolinadrobnik@gmail.com> | 2022-02-02 14:03:09 +0300 |
|---|---|---|
| committer | Mike Rapoport <rppt@linux.ibm.com> | 2022-02-20 09:44:37 +0300 |
| commit | 16802e55dea9534c18a30bd8eeefea8a06337916 (patch) | |
| tree | 3baa119284c22435f524bf65c86e0ef00968dae0 /tools/testing/memblock/linux/mmzone.h | |
| parent | 62183279ad2f52d36b40365eb3a27c7a4a2284f8 (diff) | |
| download | linux-16802e55dea9534c18a30bd8eeefea8a06337916.tar.xz | |
memblock tests: Add skeleton of the memblock simulator
Add basic project files, together with local stubs of required headers.
Update tools/include/slab.h to include definitions used by memblock.
Signed-off-by: Karolina Drobnik <karolinadrobnik@gmail.com>
Signed-off-by: Mike Rapoport <rppt@kernel.org>
Link: https://lore.kernel.org/r/d296fceb023a04b316a31fbff9acf1e76ac684e4.1643796665.git.karolinadrobnik@gmail.com
Diffstat (limited to 'tools/testing/memblock/linux/mmzone.h')
| -rw-r--r-- | tools/testing/memblock/linux/mmzone.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tools/testing/memblock/linux/mmzone.h b/tools/testing/memblock/linux/mmzone.h new file mode 100644 index 000000000000..7c2eb5c9bb54 --- /dev/null +++ b/tools/testing/memblock/linux/mmzone.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _TOOLS_MMZONE_H +#define _TOOLS_MMZONE_H + +#include <linux/atomic.h> + +struct pglist_data *first_online_pgdat(void); +struct pglist_data *next_online_pgdat(struct pglist_data *pgdat); + +#define for_each_online_pgdat(pgdat) \ + for (pgdat = first_online_pgdat(); \ + pgdat; \ + pgdat = next_online_pgdat(pgdat)) + +enum zone_type { + __MAX_NR_ZONES +}; + +#define MAX_NR_ZONES __MAX_NR_ZONES +#define MAX_ORDER 11 +#define MAX_ORDER_NR_PAGES (1 << (MAX_ORDER - 1)) + +#define pageblock_order (MAX_ORDER - 1) +#define pageblock_nr_pages BIT(pageblock_order) + +struct zone { + atomic_long_t managed_pages; +}; + +typedef struct pglist_data { + struct zone node_zones[MAX_NR_ZONES]; + +} pg_data_t; + +#endif |