diff options
| author | Dave Airlie <airlied@redhat.com> | 2017-11-02 12:40:41 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2017-11-02 12:40:41 +1000 |
| commit | 7a88cbd8d65d622c00bd76ba4ae1d893b292c91c (patch) | |
| tree | 826df7ac42ca13c33828d0142046186b91df686b /drivers/base/node.c | |
| parent | 0a4334c9e5405f836c46375c6e279cfdda7da6b5 (diff) | |
| parent | 0b07194bb55ed836c2cc7c22e866b87a14681984 (diff) | |
Backmerge tag 'v4.14-rc7' into drm-next
Linux 4.14-rc7
Requested by Ben Skeggs for nouveau to avoid major conflicts,
and things were getting a bit conflicty already, esp around amdgpu
reverts.
Diffstat (limited to 'drivers/base/node.c')
| -rw-r--r-- | drivers/base/node.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/base/node.c b/drivers/base/node.c index 3855902f2c5b..aae2402f3791 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -27,13 +27,21 @@ static struct bus_type node_subsys = { static ssize_t node_read_cpumap(struct device *dev, bool list, char *buf) { + ssize_t n; + cpumask_var_t mask; struct node *node_dev = to_node(dev); - const struct cpumask *mask = cpumask_of_node(node_dev->dev.id); /* 2008/04/07: buf currently PAGE_SIZE, need 9 chars per 32 bits. */ BUILD_BUG_ON((NR_CPUS/32 * 9) > (PAGE_SIZE-1)); - return cpumap_print_to_pagebuf(list, buf, mask); + if (!alloc_cpumask_var(&mask, GFP_KERNEL)) + return 0; + + cpumask_and(mask, cpumask_of_node(node_dev->dev.id), cpu_online_mask); + n = cpumap_print_to_pagebuf(list, buf, mask); + free_cpumask_var(mask); + + return n; } static inline ssize_t node_read_cpumask(struct device *dev, |