[pidhashing] [2/3] lower PID_MAX_LIMIT for 32-bit machines

From: William Lee Irwin III
Date: Mon Sep 13 2004 - 21:38:06 EST


On Mon, Sep 13, 2004 at 07:28:27PM -0700, William Lee Irwin III wrote:
> I was informed that the vendor component of the copyright can't be
> clobbered without more care, so this patch retains the older vendor,
> updating it only to reflect the appropriate time period.

/proc/ breaks when PID_MAX_LIMIT is elevated on 32-bit, so this patch
lowers it there. Compiletested on x86-64.


Index: mm5-2.6.9-rc1/include/linux/threads.h
===================================================================
--- mm5-2.6.9-rc1.orig/include/linux/threads.h 2004-08-13 22:36:12.000000000 -0700
+++ mm5-2.6.9-rc1/include/linux/threads.h 2004-09-13 16:28:38.791798576 -0700
@@ -30,6 +30,6 @@
/*
* A maximum of 4 million PIDs should be enough for a while:
*/
-#define PID_MAX_LIMIT (4*1024*1024)
+#define PID_MAX_LIMIT (sizeof(long) > 32 ? 4*1024*1024 : PID_MAX_DEFAULT)

#endif
-
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