►How to Modify U-boot configure for change memory size to 512M
•Only need change the u-boot memsize configure.
#define PHYS_SDRAM_1_SIZE
(1u * 512 * 1024 * 1024)
► Use the performance tool Antutu test system in 512M and in 1024M.
* The statistic of Memory free after each test.
* The improve test is reduce GPU reserve physical memory size from 192M to 128M
► System boot-up reserve. (Static)
► DMA allocate page and mem page.(Dynamic)
► Use for page alloc < 292392K
► Browser speed
* The Browse speed in 512M is nearly with in 1024M
► Conclusion:
It is acceptable for this performance when use 512M physical memory.