1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
#define XERR "memoryaccess"
#include "memoryaccess.ih"
// by cptsizes.cc
// each segment is at least 1 MB large, 10 segments can be
// used before extend is called.
// static
void MemoryAccess::megaBytes(size_t *nBlocks, size_t *blockSize,
size_t factor)
{
size_t ppm = divPlus(1024 * 1024, s_pageSize); // #pages per MB
// segm. size >= x MB
*blockSize = divPlus(factor, 10) * ppm * s_pageSize;
*nBlocks = max(s_minimum, // #potentially avail. segments
divPlus(factor * 1024 * 1024, *blockSize));
}
|
