Changeset 6957 for trunk/src/kernel32/os2heap.cpp

Timestamp:

Oct 6, 2001, 9:08:03 PM (24 years ago)

Author:

sandervl

Message:

allocate in 64kb units

File:

• trunk/src/kernel32/os2heap.cpp (modified) (3 diffs)

trunk/src/kernel32/os2heap.cpp

@@ -1 @@
-/* $Id: os2heap.cpp,v 1.24 2001-10-06 18:53:11 sandervl Exp $ */
+/* $Id: os2heap.cpp,v 1.25 2001-10-06 19:08:03 sandervl Exp $ */
 
 /*
@@ -320 +320 @@
   dprintf(("KERNEL32: getmoreHeapMem(%08xh, %08xh, %08xh)", pHeap, *size, *clean));
 
-  /* round the size up to a multiple of 4K */
-  *size = (*size / 4096) * 4096 + 4096;
+  /* round the size up to a multiple of 64K */
+  //NOTE: MUST use 64kb here or else we are at risk of running out of virtual
+  //      memory space. (when allocating 4kb we actually get 4kb + 60k uncommited)
+  *size = (*size / 65536) * 65536 + 65536;
 
   rc = DosAllocMem(&newblock, *size, flAllocMem|PAG_READ|PAG_WRITE|PAG_COMMIT|PAG_EXECUTE);
@@ -328 +330 @@
         return FALSE;
   }
-success:
   *clean = _BLOCK_CLEAN;
   dprintf(("KERNEL32: getmoreHeapMem %x %d", newblock, *size));