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-rw-r--r--include/linux/mm.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 28df70774b81..4d814aa97785 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -18,6 +18,7 @@
#include <linux/pfn.h>
#include <linux/bit_spinlock.h>
#include <linux/shrinker.h>
+#include <linux/resource.h>
struct mempolicy;
struct anon_vma;
@@ -1780,6 +1781,20 @@ extern struct vm_area_struct *copy_vma(struct vm_area_struct **,
bool *need_rmap_locks);
extern void exit_mmap(struct mm_struct *);
+static inline int check_data_rlimit(unsigned long rlim,
+ unsigned long new,
+ unsigned long start,
+ unsigned long end_data,
+ unsigned long start_data)
+{
+ if (rlim < RLIM_INFINITY) {
+ if (((new - start) + (end_data - start_data)) > rlim)
+ return -ENOSPC;
+ }
+
+ return 0;
+}
+
extern int mm_take_all_locks(struct mm_struct *mm);
extern void mm_drop_all_locks(struct mm_struct *mm);