lkml.org 
[lkml]   [2016]   [Mar]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/6] staging: lustre: libcfs: move memory_pressure functions to libcfs_prim.h
Date
Long ago libcfs_prim.h was used for userland code which is why
memory_pressure_*() handling is in both libcfs_prim.h and
linux-mem.h headers. So lets just move the memory_pressure_*()
to libcfs_prim.h.

Signed-off-by: James Simmons <uja.ornl@gmail.com>
ntel-bug-id: https://jira.hpdd.intel.com/browse/LU-6245
Reviewed-on: http://review.whamcloud.com/13841
Reviewed-by: frank zago <fzago@cray.com>
Reviewed-by: Dmitry Eremin <dmitry.eremin@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
---
.../lustre/include/linux/libcfs/libcfs_prim.h | 23 ++++++++++++-------
.../lustre/include/linux/libcfs/linux/linux-mem.h | 4 ---
2 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h
index d7846e8..d97060b 100644
--- a/drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h
+++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h
@@ -43,15 +43,20 @@
/*
* Memory
*/
-#ifndef memory_pressure_get
-#define memory_pressure_get() (0)
-#endif
-#ifndef memory_pressure_set
-#define memory_pressure_set() do {} while (0)
-#endif
-#ifndef memory_pressure_clr
-#define memory_pressure_clr() do {} while (0)
-#endif
+static inline unsigned int memory_pressure_get(void)
+{
+ return current->flags & PF_MEMALLOC;
+}
+
+static inline void memory_pressure_set(void)
+{
+ current->flags |= PF_MEMALLOC;
+}
+
+static inline void memory_pressure_clr(void)
+{
+ current->flags &= ~PF_MEMALLOC;
+}

static inline int cfs_memory_pressure_get_and_set(void)
{
diff --git a/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h b/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h
index 448379b..c50ef83 100644
--- a/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h
+++ b/drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h
@@ -59,10 +59,6 @@

#define page_index(p) ((p)->index)

-#define memory_pressure_get() (current->flags & PF_MEMALLOC)
-#define memory_pressure_set() do { current->flags |= PF_MEMALLOC; } while (0)
-#define memory_pressure_clr() do { current->flags &= ~PF_MEMALLOC; } while (0)
-
#if BITS_PER_LONG == 32
/* limit to lowmem on 32-bit systems */
#define NUM_CACHEPAGES \
--
1.7.1
\
 
 \ /
  Last update: 2016-03-31 16:41    [W:0.058 / U:0.136 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site