src/threads/palloc.h

   1 #ifndef THREADS_PALLOC_H
   2 #define THREADS_PALLOC_H
   3
   4 #include <stddef.h>
   5
   6 /* How to allocate pages. */
   7 enum palloc_flags
   8   {
   9     PAL_ASSERT = 001,           /* Panic on failure. */
  10     PAL_ZERO = 002,             /* Zero page contents. */
  11     PAL_USER = 004              /* User page. */
  12   };
  13
  14 /* Maximum number of pages to put in user pool. */
  15 extern size_t user_page_limit;
  16
  17 void palloc_init (void);
  18 void *palloc_get_page (enum palloc_flags);
  19 void *palloc_get_multiple (enum palloc_flags, size_t page_cnt);
  20 void palloc_free_page (void *);
  21 void palloc_free_multiple (void *, size_t page_cnt);
  22
  23 #endif /* threads/palloc.h */