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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/include/asm-generic/compat.h
..
..
@@ -1,3 +1,33 @@
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 /* SPDX-License-Identifier: GPL-2.0 */
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+#ifndef __ASM_GENERIC_COMPAT_H
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+#define __ASM_GENERIC_COMPAT_H
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-/* This is an empty stub for 32-bit-only architectures */
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+/* These types are common across all compat ABIs */
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+typedef u32 compat_size_t;
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+typedef s32 compat_ssize_t;
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+typedef s32 compat_clock_t;
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+typedef s32 compat_pid_t;
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+typedef u32 compat_ino_t;
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+typedef s32 compat_off_t;
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+typedef s64 compat_loff_t;
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+typedef s32 compat_daddr_t;
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+typedef s32 compat_timer_t;
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+typedef s32 compat_key_t;
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+typedef s16 compat_short_t;
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+typedef s32 compat_int_t;
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+typedef s32 compat_long_t;
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+typedef u16 compat_ushort_t;
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+typedef u32 compat_uint_t;
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+typedef u32 compat_ulong_t;
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+typedef u32 compat_uptr_t;
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+typedef u32 compat_aio_context_t;
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+
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+#ifdef CONFIG_COMPAT_FOR_U64_ALIGNMENT
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+typedef s64 __attribute__((aligned(4))) compat_s64;
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+typedef u64 __attribute__((aligned(4))) compat_u64;
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+#else
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+typedef s64 compat_s64;
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+typedef u64 compat_u64;
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+#endif
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+
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+#endif