diff options
| -rw-r--r-- | MAINTAINERS | 1 | ||||
| -rw-r--r-- | include/linux/nodemask.h | 24 | ||||
| -rw-r--r-- | lib/Makefile | 2 | ||||
| -rw-r--r-- | lib/nodemask.c | 8 |
4 files changed, 20 insertions, 15 deletions
diff --git a/MAINTAINERS b/MAINTAINERS index 7c0b8f28aa25..19c8d0ef1177 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3540,7 +3540,6 @@ F: lib/bitmap.c F: lib/cpumask.c F: lib/find_bit.c F: lib/find_bit_benchmark.c -F: lib/nodemask.c F: lib/test_bitmap.c F: tools/include/linux/bitmap.h F: tools/include/linux/find.h diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h index 0f233b76c9ce..4b71a96190a8 100644 --- a/include/linux/nodemask.h +++ b/include/linux/nodemask.h @@ -94,6 +94,7 @@ #include <linux/bitmap.h> #include <linux/minmax.h> #include <linux/numa.h> +#include <linux/random.h> typedef struct { DECLARE_BITMAP(bits, MAX_NUMNODES); } nodemask_t; extern nodemask_t _unused_nodemask_arg_; @@ -276,7 +277,14 @@ static inline unsigned int __next_node(int n, const nodemask_t *srcp) * the first node in src if needed. Returns MAX_NUMNODES if src is empty. */ #define next_node_in(n, src) __next_node_in((n), &(src)) -unsigned int __next_node_in(int node, const nodemask_t *srcp); +static inline unsigned int __next_node_in(int node, const nodemask_t *srcp) +{ + unsigned int ret = __next_node(node, srcp); + + if (ret == MAX_NUMNODES) + ret = __first_node(srcp); + return ret; +} static inline void init_nodemask_of_node(nodemask_t *mask, int node) { @@ -493,14 +501,20 @@ static inline int num_node_state(enum node_states state) #endif +static inline int node_random(const nodemask_t *maskp) +{ #if defined(CONFIG_NUMA) && (MAX_NUMNODES > 1) -extern int node_random(const nodemask_t *maskp); + int w, bit = NUMA_NO_NODE; + + w = nodes_weight(*maskp); + if (w) + bit = bitmap_ord_to_pos(maskp->bits, + get_random_int() % w, MAX_NUMNODES); + return bit; #else -static inline int node_random(const nodemask_t *mask) -{ return 0; -} #endif +} #define node_online_map node_states[N_ONLINE] #define node_possible_map node_states[N_POSSIBLE] diff --git a/lib/Makefile b/lib/Makefile index f99bf61f8bbc..731cea0342d1 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -33,7 +33,7 @@ lib-y := ctype.o string.o vsprintf.o cmdline.o \ flex_proportions.o ratelimit.o show_mem.o \ is_single_threaded.o plist.o decompress.o kobject_uevent.o \ earlycpio.o seq_buf.o siphash.o dec_and_lock.o \ - nmi_backtrace.o nodemask.o win_minmax.o memcat_p.o \ + nmi_backtrace.o win_minmax.o memcat_p.o \ buildid.o lib-$(CONFIG_PRINTK) += dump_stack.o diff --git a/lib/nodemask.c b/lib/nodemask.c index e22647f5181b..b8a433d16b51 100644 --- a/lib/nodemask.c +++ b/lib/nodemask.c @@ -3,14 +3,6 @@ #include <linux/module.h> #include <linux/random.h> -unsigned int __next_node_in(int node, const nodemask_t *srcp) -{ - unsigned int ret = __next_node(node, srcp); - - if (ret == MAX_NUMNODES) - ret = __first_node(srcp); - return ret; -} EXPORT_SYMBOL(__next_node_in); #ifdef CONFIG_NUMA |