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File ksh93-vm.dif of Package ksh

--- src/lib/libast/vmalloc/vmmaddress.c
+++ src/lib/libast/vmalloc/vmmaddress.c	2014-02-18 14:19:22.978507488 +0000
@@ -37,6 +37,10 @@
 #endif /*MAP_ANON*/
 #endif /*_mem_mmap_anon*/
 
+#if defined(__linux__) && !defined(_lib_getpagesize)
+#define _lib_getpagesize	1
+#endif
+
 /* Heuristic to suggest an address usable for mapping shared memory
 **
 ** Written by Kiem-Phong Vo, phongvo@gmail.com, 07/07/2012
--- src/lib/libast/vmalloc/vmdcshare.c
+++ src/lib/libast/vmalloc/vmdcshare.c	2014-04-14 16:28:26.406992119 +0200
@@ -53,8 +53,10 @@
 /* magic word signaling file/segment is ready */
 #define	MM_MAGIC	((unsigned int)(('P'<<24) | ('&'<<16) | ('N'<<8) | ('8')) ) /* 1344687672 */
 
+#ifndef __linux__
 /* default mimimum region size */
 #define MM_MINSIZE	(64*_Vmpagesize)
+#endif
 
 /* flags for actions on region closing */
 #define MM_DETACH	01	/* detach all attached memory	*/
@@ -174,10 +176,19 @@
 
 	if(mmdc->mmvm) /* already done this */
 		return 0;
-
+#ifdef MM_MINSIZE
 	/* fixed size region so make it reasonably large */
 	if((size = mmdc->size) < MM_MINSIZE )
 		size =  MM_MINSIZE;
+#else
+# if __WORDSIZE == 64
+	extent = 4*1024*1024*sizeof(long);
+# else
+	extent = 512*1024;
+# endif
+	if((size = mmdc->size) < extent)
+		size = extent;
+#endif
 	size += MMHEAD(mmdc->name) + ALIGN;
 	size  = ROUND(size, _Vmpagesize);

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File ksh93-vm.dif of Package ksh

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