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- #ifndef __UM_SEGMENT_H
- #define __UM_SEGMENT_H
- extern int host_gdt_entry_tls_min;
- #define GDT_ENTRY_TLS_ENTRIES 3
- #define GDT_ENTRY_TLS_MIN host_gdt_entry_tls_min
- #define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1)
- typedef struct {
- unsigned long seg;
- } mm_segment_t;
- #define MAKE_MM_SEG(s) ((mm_segment_t) { (s) })
- #define KERNEL_DS MAKE_MM_SEG(~0UL)
- #define USER_DS MAKE_MM_SEG(TASK_SIZE)
- #endif
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