summaryrefslogtreecommitdiff
path: root/include/linux/mman.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/mman.h')
-rw-r--r--include/linux/mman.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/mman.h b/include/linux/mman.h
index d09dde1e57fb..61c7a87e5d2b 100644
--- a/include/linux/mman.h
+++ b/include/linux/mman.h
@@ -11,6 +11,8 @@ extern int sysctl_overcommit_memory;
extern int sysctl_overcommit_ratio;
extern struct percpu_counter vm_committed_as;
+unsigned long vm_memory_committed(void);
+
static inline void vm_acct_memory(long pages)
{
percpu_counter_add(&vm_committed_as, pages);
@@ -77,6 +79,8 @@ calc_vm_flag_bits(unsigned long flags)
{
return _calc_vm_trans(flags, MAP_GROWSDOWN, VM_GROWSDOWN ) |
_calc_vm_trans(flags, MAP_DENYWRITE, VM_DENYWRITE ) |
- _calc_vm_trans(flags, MAP_LOCKED, VM_LOCKED );
+ ((flags & MAP_LOCKED) ? (VM_LOCKED | VM_POPULATE) : 0) |
+ (((flags & (MAP_POPULATE | MAP_NONBLOCK)) == MAP_POPULATE) ?
+ VM_POPULATE : 0);
}
#endif /* _LINUX_MMAN_H */