tools: add VM_WARN_ON_VMG definition

vma tests compilation yields the following error:

vma.c:732:9: error: implicit declaration of function ‘VM_WARN_ON_VMG’

Fix it by adding missing VM_WARN_ON_VMG() definition.

Link: https://lkml.kernel.org/r/[email protected]
Fixes: e3a7ae8 ("mm/debug: prefer VM_WARN_ON_VMG() to report VMG debug warnings")
Signed-off-by: Suren Baghdasaryan <[email protected]>
Reviewed-by: Lorenzo Stoakes <[email protected]>
Cc: Liam R. Howlett <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: surenbaghdasaryan

tools/testing/vma/vma_internal.h

@@ -38,6 +38,7 @@ extern unsigned long dac_mmap_min_addr;
 
 #define VM_WARN_ON(_expr) (WARN_ON(_expr))
 #define VM_WARN_ON_ONCE(_expr) (WARN_ON_ONCE(_expr))
+#define VM_WARN_ON_VMG(_expr, _vmg) (WARN_ON(_expr))
 #define VM_BUG_ON(_expr) (BUG_ON(_expr))
 #define VM_BUG_ON_VMA(_expr, _vma) (BUG_ON(_expr))