Dear Tomas Hlavacek,
[...]
+static inline void *dmrealloc(void *oldmem, size_t bytes) +{ +#ifdef CONFIG_SYS_EARLY_MALLOC
if (early_malloc_active())return NULL;I wonder how should this be implemented ... maybe early_malloc + standard memcpy()
How do you want me to fix all the pointers to the memcpyied part of heap then? I think this will not work unless I make some reservations for eventual growth for each and every early_mallocated area. And I think this is not good idea at all for early_malloc.
What exactly would you need to fix ? It's only a matter of allocating new block, copying the existing data there and returning the pointer to the new block, no?
I think there are two straight-forward possibilities: a) keep the empty implementation of dmrealloc() in early stage and avoid using it in code which might run in early stage, but retain the dm* version of the symbol. b) remove the dmrealloc() entirely which may have certain negative consequences, because it might be tempting to mix dmmalloc() and (non-dm*) realloc() calls which is obviously wrong.
Tomas
Best regards, Marek Vasut