The branch main has been updated by dumbbell: URL: https://cgit.FreeBSD.org/src/commit/?id=b55cc81fcf9718887a51b22f1436f6cc369fa47b
commit b55cc81fcf9718887a51b22f1436f6cc369fa47b Author: Jean-Sébastien Pédron <[email protected]> AuthorDate: 2026-06-17 17:22:12 +0000 Commit: Jean-Sébastien Pédron <[email protected]> CommitDate: 2026-06-24 16:47:09 +0000 linuxkpi: Add <linux/cgroup_dmem.h> In this header, we declare empty stubs for all functions, as if `CONFIG_CGROUP_DMEM` was disabled is Linux. The DRM TTM memory manager started to use this in Linux 6.14. Reviewed by: emaste Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D57702 --- .../linuxkpi/common/include/linux/cgroup_dmem.h | 58 ++++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/cgroup_dmem.h b/sys/compat/linuxkpi/common/include/linux/cgroup_dmem.h new file mode 100644 index 000000000000..03c0600c1bee --- /dev/null +++ b/sys/compat/linuxkpi/common/include/linux/cgroup_dmem.h @@ -0,0 +1,58 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (c) 2026 The FreeBSD Foundation + */ + +#ifndef _LINUXKPI_LINUX_CGROUP_DMEM_H_ +#define _LINUXKPI_LINUX_CGROUP_DMEM_H_ + +#include <linux/types.h> +#include <linux/llist.h> + +struct dmem_cgroup_pool_state; +struct dmem_cgroup_region; + +static inline __printf(2,3) struct dmem_cgroup_region * +dmem_cgroup_register_region(uint64_t size, const char *name_fmt, ...) +{ + return (NULL); +} + +static inline void +dmem_cgroup_unregister_region(struct dmem_cgroup_region *region) +{ +} + +static inline int +dmem_cgroup_try_charge(struct dmem_cgroup_region *region, u64 size, + struct dmem_cgroup_pool_state **ret_pool, + struct dmem_cgroup_pool_state **ret_limit_pool) +{ + *ret_pool = NULL; + + if (ret_limit_pool) + *ret_limit_pool = NULL; + + return (0); +} + +static inline void +dmem_cgroup_uncharge(struct dmem_cgroup_pool_state *pool, uint64_t size) +{ +} + +static inline +bool dmem_cgroup_state_evict_valuable(struct dmem_cgroup_pool_state *limit_pool, + struct dmem_cgroup_pool_state *test_pool, + bool ignore_low, bool *ret_hit_low) +{ + return (true); +} + +static inline void +dmem_cgroup_pool_state_put(struct dmem_cgroup_pool_state *pool) +{ +} + +#endif /* _LINUXKPI_LINUX_CGROUP_DMEM_H_ */
