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| author | Alexey Dobriyan <adobriyan@gmail.com> | 2019-03-06 02:48:29 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-06 08:07:20 +0300 |
| commit | ce0725f78a56a59bdb07cef003bc6fef722da38e (patch) | |
| tree | 3bb517e055b311034aa777eac0b754cdf42bea25 | |
| parent | b9726c26dc21b15a2faea96fae3a42f2f7fffdcb (diff) | |
| download | linux-ce0725f78a56a59bdb07cef003bc6fef722da38e.tar.xz | |
numa: make "nr_online_nodes" unsigned int
Number of online NUMA nodes can't be negative as well. This doesn't
save space as the variable is used only in 32-bit context, but do it
anyway for consistency.
Link: http://lkml.kernel.org/r/20190201223151.GB15820@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | include/linux/nodemask.h | 4 | ||||
| -rw-r--r-- | mm/page_alloc.c | 4 |
2 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h index 962c5e783d50..27e7fa36f707 100644 --- a/include/linux/nodemask.h +++ b/include/linux/nodemask.h @@ -445,7 +445,7 @@ static inline int next_memory_node(int nid) } extern unsigned int nr_node_ids; -extern int nr_online_nodes; +extern unsigned int nr_online_nodes; static inline void node_set_online(int nid) { @@ -486,7 +486,7 @@ static inline int num_node_state(enum node_states state) #define first_memory_node 0 #define next_online_node(nid) (MAX_NUMNODES) #define nr_node_ids 1U -#define nr_online_nodes 1 +#define nr_online_nodes 1U #define node_set_online(node) node_set_state((node), N_ONLINE) #define node_set_offline(node) node_clear_state((node), N_ONLINE) diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 8df43caf2eb7..c29828ec9183 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -290,7 +290,7 @@ EXPORT_SYMBOL(movable_zone); #if MAX_NUMNODES > 1 unsigned int nr_node_ids __read_mostly = MAX_NUMNODES; -int nr_online_nodes __read_mostly = 1; +unsigned int nr_online_nodes __read_mostly = 1; EXPORT_SYMBOL(nr_node_ids); EXPORT_SYMBOL(nr_online_nodes); #endif @@ -5664,7 +5664,7 @@ void __ref build_all_zonelists(pg_data_t *pgdat) else page_group_by_mobility_disabled = 0; - pr_info("Built %i zonelists, mobility grouping %s. Total pages: %ld\n", + pr_info("Built %u zonelists, mobility grouping %s. Total pages: %ld\n", nr_online_nodes, page_group_by_mobility_disabled ? "off" : "on", vm_total_pages); |