On Sun, Mar 16, 2014 at 01:25:33PM +0000, Ian Campbell wrote: > On Fri, 2014-03-14 at 10:17 -0400, Tom Rini wrote: > > On Fri, Mar 14, 2014 at 10:33:47AM +0000, Ian Campbell wrote: > > > > +/* > > > + * Size of malloc() pool > > > + * 1MB = 0x100000, 0x100000 = 1024 * 1024 > > > + */ > > > +#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (1 << 20)) > > > > This is really really small, and precludes using UBI on NAND for > > example. > > What is a suitable value? I see a lots of boards using 128kB or <1MB and > only a handful using more. Tegra uses 4MB -- is that a reasonable value?
4MB is reasonable when you start having to worry about 4KB page NAND and UBI. I might have been a little harsh saying "really really small" and 1MB might be just enough to work with smaller page size NAND. -- Tom
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