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authorAlex Deucher <alexander.deucher@amd.com>2019-06-25 08:42:25 -0500
committerAlex Deucher <alexander.deucher@amd.com>2019-06-25 08:42:25 -0500
commitd7929c1e13e3788e7cb741d75b5baec5e53eff21 (patch)
treecf513071edfc4499b4e025e4846244c9d0e4c6bd /mm/util.c
parent8ac875db0fdc1cfa55c424b38a81cf5282f3df0b (diff)
parent80d42db02b3a5beb8cffba08207adf5f4c525ee3 (diff)
Merge branch 'drm-next' into drm-next-5.3
Backmerge drm-next and fix up conflicts due to drmP.h removal. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'mm/util.c')
-rw-r--r--mm/util.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/util.c b/mm/util.c
index 91682a2090ee..9834c4ab7d8e 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -718,12 +718,12 @@ int get_cmdline(struct task_struct *task, char *buffer, int buflen)
if (!mm->arg_end)
goto out_mm; /* Shh! No looking before we're done */
- down_read(&mm->mmap_sem);
+ spin_lock(&mm->arg_lock);
arg_start = mm->arg_start;
arg_end = mm->arg_end;
env_start = mm->env_start;
env_end = mm->env_end;
- up_read(&mm->mmap_sem);
+ spin_unlock(&mm->arg_lock);
len = arg_end - arg_start;