Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
23 lines
682 B
C
23 lines
682 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#ifndef _NET_ALIGNED_DATA_H
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#define _NET_ALIGNED_DATA_H
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#include <linux/atomic.h>
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#include <linux/types.h>
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/* Structure holding cacheline aligned fields on SMP builds.
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* Each field or group should have an ____cacheline_aligned_in_smp
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* attribute to ensure no accidental false sharing can happen.
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*/
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struct net_aligned_data {
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atomic64_t net_cookie ____cacheline_aligned_in_smp;
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#if defined(CONFIG_INET)
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atomic_long_t tcp_memory_allocated ____cacheline_aligned_in_smp;
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atomic_long_t udp_memory_allocated ____cacheline_aligned_in_smp;
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#endif
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};
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extern struct net_aligned_data net_aligned_data;
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#endif /* _NET_ALIGNED_DATA_H */
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