diff options
| author | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2025-09-16 13:53:20 +0300 |
|---|---|---|
| committer | Joonas Lahtinen <joonas.lahtinen@linux.intel.com> | 2025-09-16 13:53:20 +0300 |
| commit | f088104d837a991c65e51fa30bb4196169b3244d (patch) | |
| tree | ae53729f52e5c1938f34373cfef77c740defab89 /include/net/aligned_data.h | |
| parent | f4d4097a036ab1ec6bc8154160c49ab9a0a92895 (diff) | |
| parent | 5770495279d79514989b00fe9ef0ff487bf2e54e (diff) | |
| download | linux-f088104d837a991c65e51fa30bb4196169b3244d.tar.xz | |
Merge drm/drm-next into drm-intel-gt-next
Backmerge in order to get the commit:
048832a3f400 ("drm/i915: Refactor shmem_pwrite() to use kiocb and write_iter")
To drm-intel-gt-next as there are followup fixes to be applied.
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.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 */ |