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staging: lustre: libcfs: move memory_pressure functions to libcfs_prim.h

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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>
Intel-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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
James Simmons 2016-03-31 10:18:36 -04:00 committed by Greg Kroah-Hartman
parent 564f5d6e92
commit bd6e2c5067
2 changed files with 14 additions and 13 deletions
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23
drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h
View File

@ -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)
{

4
drivers/staging/lustre/include/linux/libcfs/linux/linux-mem.h
View File

@ -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 \