Branch HEAD

[fs/lustre-release.git] / libcfs / include / libcfs / linux / linux-mem.h

diff --git a/libcfs/include/libcfs/linux/linux-mem.h b/libcfs/include/libcfs/linux/linux-mem.h
index 19dec15..8fb2184 100644 (file)
--- a/libcfs/include/libcfs/linux/linux-mem.h
+++ b/libcfs/include/libcfs/linux/linux-mem.h
@@ -110,6 +110,10 @@ extern void __cfs_free_pages(cfs_page_t *page, unsigned int order);
 #define __cfs_free_page(page)  __cfs_free_pages(page, 0)
 #define cfs_free_page(p)       __free_pages(p, 0)
 
+#define libcfs_memory_pressure_get() (current->flags & PF_MEMALLOC)
+#define libcfs_memory_pressure_set() do { current->flags |= PF_MEMALLOC; } while (0)
+#define libcfs_memory_pressure_clr() do { current->flags &= ~PF_MEMALLOC; } while (0)
+
 /*
  * In Linux there is no way to determine whether current execution context is
  * blockable.