I just noticed this change in mm/memory.c. This is one of the things that
prevents an ARM-patched tree being compiled for other architectures at the
moment (since pte_nocache seems only to exist in asm-arm).
Can anybody explain whether this is actually necessary, and if so why?
unsigned long end = address + size;
pte_t zero_pte;
- zero_pte = pte_wrprotect(mk_pte(ZERO_PAGE, prot));
+ zero_pte = pte_nocache(pte_wrprotect(mk_pte(ZERO_PAGE, prot)));
dir = pgd_offset(current->mm, address);
flush_cache_range(current->mm, beg, end);
while (address < end) {
p.
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