umovestr: read chunks of memory up to pagesize at a time
* defs.h (get_pagesize): New prototype.
* mem.c (get_pagesize) Make global.
* util.c (PAGMASK): Remove.
(vm_read_mem): New process_vm_readv proxy function.
(umoven, umovestr): Use it.
(umovestr): Read chunks up to pagesize at a time.
diff --git a/defs.h b/defs.h
index e6aca37..34f1603 100644
--- a/defs.h
+++ b/defs.h
@@ -478,6 +478,7 @@
extern const char *xlookup(const struct xlat *, const unsigned int);
extern const char *xlat_search(const struct xlat *, const size_t, const unsigned int);
+extern unsigned long get_pagesize(void);
extern int string_to_uint(const char *str);
extern int next_set_bit(const void *bit_array, unsigned cur_bit, unsigned size_bits);