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