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 d5cf0d3..8fb2184 100644 (file)
--- a/libcfs/include/libcfs/linux/linux-mem.h
+++ b/libcfs/include/libcfs/linux/linux-mem.h
@@ -47,7 +47,7 @@
 
 #ifndef __KERNEL__
 #error This include is only for kernel use.
 
 #ifndef __KERNEL__
 #error This include is only for kernel use.

-#endif 
+#endif

 
 #include <linux/mm.h>
 #include <linux/vmalloc.h>
 
 #include <linux/mm.h>
 #include <linux/vmalloc.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 __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.
 /*
  * In Linux there is no way to determine whether current execution context is
  * blockable.


@@ -129,6 +133,7 @@ extern cfs_mem_cache_t * cfs_mem_cache_create (const char *, size_t, size_t, uns
 extern int cfs_mem_cache_destroy ( cfs_mem_cache_t * );
 extern void *cfs_mem_cache_alloc ( cfs_mem_cache_t *, int);
 extern void cfs_mem_cache_free ( cfs_mem_cache_t *, void *);
 extern int cfs_mem_cache_destroy ( cfs_mem_cache_t * );
 extern void *cfs_mem_cache_alloc ( cfs_mem_cache_t *, int);
 extern void cfs_mem_cache_free ( cfs_mem_cache_t *, void *);

+extern int cfs_mem_is_in_cache(const void *addr, const cfs_mem_cache_t *kmem);

 
 /*
  */
 
 /*
  */