2008-06-08 17:27:20

by Rakib Mullick

[permalink] [raw]
Subject: [PATCH] Removes PID_MAX_DEFAULT

This removes use of PID_MAX_DEFAULT. Couldn't find any specific
maintainer , so I send it here directly. [Note: I didn't use git.]

Signed-off-by: Md.Rakib Hassan Mullick ([email protected])
---
diff -upr linux-2.6.25-vanilla/include/linux/threads.h
linux-2.6.25/include/linux/threads.h
--- linux-2.6.25-vanilla/include/linux/threads.h 2008-04-17
08:49:44.000000000 +0600
+++ linux-2.6.25/include/linux/threads.h 2008-06-07 18:46:29.000000000 +0600
@@ -22,15 +22,10 @@
#define MIN_THREADS_LEFT_FOR_ROOT 4

/*
- * This controls the default maximum pid allocated to a process
- */
-#define PID_MAX_DEFAULT (CONFIG_BASE_SMALL ? 0x1000 : 0x8000)
-
-/*
* A maximum of 4 million PIDs should be enough for a while.
* [NOTE: PID/TIDs are limited to 2^29 ~= 500+ million, see futex.h.]
*/
#define PID_MAX_LIMIT (CONFIG_BASE_SMALL ? PAGE_SIZE * 8 : \
- (sizeof(long) > 4 ? 4 * 1024 * 1024 : PID_MAX_DEFAULT))
+ (sizeof(long) > 4 ? 4 * 1024 * 1024 : (CONFIG_BASE_SMALL ? 0x1000 : 0x8000)))

#endif
Only in linux-2.6.25/include/linux: threads.h~
diff -upr linux-2.6.25-vanilla/kernel/pid.c linux-2.6.25/kernel/pid.c
--- linux-2.6.25-vanilla/kernel/pid.c 2008-04-17 08:49:44.000000000 +0600
+++ linux-2.6.25/kernel/pid.c 2008-06-07 18:46:25.000000000 +0600
@@ -42,7 +42,10 @@ static struct hlist_head *pid_hash;
static int pidhash_shift;
struct pid init_struct_pid = INIT_STRUCT_PID;

-int pid_max = PID_MAX_DEFAULT;
+/*
+ * This controls the default maximum pid allocated to a process
+ */
+int pid_max = CONFIG_BASE_SMALL ? 0x1000 : 0x8000 ;

#define RESERVED_PIDS 300

Only in linux-2.6.25/kernel: pid.c~