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| author | Lucas De Marchi <lucas.demarchi@intel.com> | 2025-08-12 15:58:37 +0300 |
|---|---|---|
| committer | Lucas De Marchi <lucas.demarchi@intel.com> | 2025-08-12 15:58:37 +0300 |
| commit | ca994e8922f25f7fed2075098f185cf198109eaa (patch) | |
| tree | b400201be96c4ddedc9d864b30da039df32e8df9 /include/net/aligned_data.h | |
| parent | 30e0c3f43a414616e0b6ca76cf7f7b2cd387e1d4 (diff) | |
| parent | 8f5ae30d69d7543eee0d70083daf4de8fe15d585 (diff) | |
| download | linux-ca994e8922f25f7fed2075098f185cf198109eaa.tar.xz | |
Merge drm/drm-next into drm-xe-next
Bring v6.17-rc1 to propagate commits from other subsystems, particularly
PCI, which has some new functions needed for SR-IOV integration.
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Diffstat (limited to 'include/net/aligned_data.h')
| -rw-r--r-- | include/net/aligned_data.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/net/aligned_data.h b/include/net/aligned_data.h new file mode 100644 index 000000000000..e1a1c8aedc79 --- /dev/null +++ b/include/net/aligned_data.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef _NET_ALIGNED_DATA_H +#define _NET_ALIGNED_DATA_H + +#include <linux/atomic.h> +#include <linux/types.h> + +/* Structure holding cacheline aligned fields on SMP builds. + * Each field or group should have an ____cacheline_aligned_in_smp + * attribute to ensure no accidental false sharing can happen. + */ +struct net_aligned_data { + atomic64_t net_cookie ____cacheline_aligned_in_smp; +#if defined(CONFIG_INET) + atomic_long_t tcp_memory_allocated ____cacheline_aligned_in_smp; + atomic_long_t udp_memory_allocated ____cacheline_aligned_in_smp; +#endif +}; + +extern struct net_aligned_data net_aligned_data; + +#endif /* _NET_ALIGNED_DATA_H */ |