patch-2.2.0-pre7 linux/include/linux/sched.h

• Lines: 47
• Date: Mon Jan 11 10:37:07 1999
• Orig file: v2.2.0-pre6/linux/include/linux/sched.h
• Orig date: Fri Jan 8 22:36:24 1999

diff -u --recursive --new-file v2.2.0-pre6/linux/include/linux/sched.h linux/include/linux/sched.h
@@ -33,6 +33,7 @@
 #define CLONE_SIGHAND	0x00000800	/* set if signal handlers shared */
 #define CLONE_PID	0x00001000	/* set if pid shared */
 #define CLONE_PTRACE	0x00002000	/* set if we want to let tracing continue on the child too */
+#define CLONE_VFORK	0x00004000	/* set if the parent wants the child to wake it up on mmput */
 
 /*
  * These are the constant used to fake the fixed-point load-average
@@ -257,8 +258,8 @@
 	/* Pointer to task[] array linkage. */
 	struct task_struct **tarray_ptr;
 
-	struct wait_queue *wait_chldexit, *vfork_sleep;	/* for wait4()/vfork */
-
+	struct wait_queue *wait_chldexit;	/* for wait4() */
+	struct semaphore *vfork_sem;		/* for vfork() */
 	unsigned long policy, rt_priority;
 	unsigned long it_real_value, it_prof_value, it_virt_value;
 	unsigned long it_real_incr, it_prof_incr, it_virt_incr;
@@ -269,10 +270,7 @@
 /* mm fault and swap info: this can arguably be seen as either mm-specific or thread-specific */
 	unsigned long min_flt, maj_flt, nswap, cmin_flt, cmaj_flt, cnswap;
 	int swappable:1;
-	int trashing_memory:1;
 	unsigned long swap_address;
-	unsigned long old_maj_flt;	/* old value of maj_flt */
-	unsigned long dec_flt;		/* page fault count of the last time */
 	unsigned long swap_cnt;		/* number of pages to swap on next pass */
 /* process credentials */
 	uid_t uid,euid,suid,fsuid;
@@ -323,6 +321,7 @@
 #define PF_DUMPCORE	0x00000200	/* dumped core */
 #define PF_SIGNALED	0x00000400	/* killed by a signal */
 #define PF_MEMALLOC	0x00000800	/* Allocating memory */
+#define PF_VFORK	0x00001000	/* Wake up parent in mmput */
 
 #define PF_USEDFPU	0x00100000	/* task used FPU this quantum (SMP) */
 #define PF_DTRACE	0x00200000	/* delayed trace (used on m68k, i386) */
@@ -356,7 +355,7 @@
 /* utime */	{0,0,0,0},0, \
 /* per CPU times */ {0, }, {0, }, \
 /* flt */	0,0,0,0,0,0, \
-/* swp */	0,0,0,0,0,0, \
+/* swp */	0,0,0, \
 /* process credentials */					\
 /* uid etc */	0,0,0,0,0,0,0,0,				\
 /* suppl grps*/ 0, {0,},					\