/* How to allocate pages. */
enum palloc_flags
{
- PAL_ASSERT = 001, /* Panic on failure. */
- PAL_ZERO = 002, /* Zero page contents. */
- PAL_USER = 004 /* User page. */
+ PAL_ASSERT = 1 << 0, /* Panic on failure. */
+ PAL_ZERO = 1 << 1, /* Zero page contents. */
+ PAL_USER = 1 << 2, /* User page. */
+ PAL_NOCACHE = 1 << 3 /* Disable memory caching for page. */
};
+extern void *zero_page;
+
void palloc_init (size_t user_page_limit);
void *palloc_get_page (enum palloc_flags);
void *palloc_get_multiple (enum palloc_flags, size_t page_cnt);