diff options
| author | Jiang Liu <[email protected]> | 2013-07-03 15:04:23 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2013-07-03 16:07:38 -0700 |
| commit | fccc998771043db1613509b26c18b3d7f071e668 (patch) | |
| tree | c917d6508d4194a4a50796ccb36614e3fe56da7e | |
| parent | 1895418189e08c1d1eec4fbdb5fb41d793f57ba5 (diff) | |
mm: introduce helper function set_max_mapnr()
Introduce a helper function set_max_mapnr() to set global variable
max_mapnr.
Also unify condition compilation for max_mapnr with
CONFIG_NEED_MULTIPLE_NODES instead of CONFIG_DISCONTIGMEM.
Signed-off-by: Jiang Liu <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Mauro Carvalho Chehab <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Mark Brown <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | include/linux/mm.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index e550a1773a9e..b87681adf0ba 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -25,8 +25,15 @@ struct file_ra_state; struct user_struct; struct writeback_control; -#ifndef CONFIG_DISCONTIGMEM /* Don't use mapnrs, do it properly */ +#ifndef CONFIG_NEED_MULTIPLE_NODES /* Don't use mapnrs, do it properly */ extern unsigned long max_mapnr; + +static inline void set_max_mapnr(unsigned long limit) +{ + max_mapnr = limit; +} +#else +static inline void set_max_mapnr(unsigned long limit) { } #endif extern unsigned long totalram_pages; |