diff options
Diffstat (limited to 'drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h')
| -rw-r--r-- | drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h b/drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h index d97060b..6f7a276 100644 --- a/drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h +++ b/drivers/staging/lustre/include/linux/libcfs/libcfs_prim.h @@ -43,6 +43,14 @@ /* * Memory */ +#if BITS_PER_LONG == 32 +/* limit to lowmem on 32-bit systems */ +#define NUM_CACHEPAGES \ + min(totalram_pages, 1UL << (30 - PAGE_CACHE_SHIFT) * 3 / 4) +#else +#define NUM_CACHEPAGES totalram_pages +#endif + static inline unsigned int memory_pressure_get(void) { return current->flags & PF_MEMALLOC; |
