static unsigned long compute_balloon_floor(void)
{
unsigned long min_pages;
+ unsigned long nr_pages = totalram_pages();
#define MB2PAGES(mb) ((mb) << (20 - PAGE_SHIFT))
/* Simple continuous piecewiese linear function:
* max MiB -> min MiB gradient
* 8192 744 (1/16)
* 32768 1512 (1/32)
*/
- if (totalram_pages < MB2PAGES(128))
- min_pages = MB2PAGES(8) + (totalram_pages >> 1);
- else if (totalram_pages < MB2PAGES(512))
- min_pages = MB2PAGES(40) + (totalram_pages >> 2);
- else if (totalram_pages < MB2PAGES(2048))
- min_pages = MB2PAGES(104) + (totalram_pages >> 3);
- else if (totalram_pages < MB2PAGES(8192))
- min_pages = MB2PAGES(232) + (totalram_pages >> 4);
+ if (nr_pages < MB2PAGES(128))
+ min_pages = MB2PAGES(8) + (nr_pages >> 1);
+ else if (nr_pages < MB2PAGES(512))
+ min_pages = MB2PAGES(40) + (nr_pages >> 2);
+ else if (nr_pages < MB2PAGES(2048))
+ min_pages = MB2PAGES(104) + (nr_pages >> 3);
+ else if (nr_pages < MB2PAGES(8192))
+ min_pages = MB2PAGES(232) + (nr_pages >> 4);
else
- min_pages = MB2PAGES(488) + (totalram_pages >> 5);
+ min_pages = MB2PAGES(488) + (nr_pages >> 5);
#undef MB2PAGES
return min_pages;
}