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Add one more page for the stack, to compensate for the fact that SVS's 

stack switching mechanism consumes approximately one page.
This commit is contained in:
maxv 2018-03-16 08:21:56 +00:00
parent efe8344c49
commit f4df18fbb6
1 changed files with 3 additions and 3 deletions
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6
sys/arch/amd64/include/param.h
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@ -1,4 +1,4 @@
/* $NetBSD: param.h,v 1.24 2018/02/19 13:02:47 sborrill Exp $ */
/* $NetBSD: param.h,v 1.25 2018/03/16 08:21:56 maxv Exp $ */
#ifdef __x86_64__
@ -58,9 +58,9 @@
#define SSIZE 1 /* initial stack size/NBPG */
#define SINCR 1 /* increment of stack/NBPG */
#ifdef DIAGNOSTIC
#define UPAGES 4 /* pages of u-area (1 for redzone) */
#define UPAGES 5 /* pages of u-area (1 for redzone) */
#else
#define UPAGES 3 /* pages of u-area */
#define UPAGES 4 /* pages of u-area */
#endif
#define USPACE (UPAGES * NBPG) /* total size of u-area */