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Diffstat (limited to 'arch/mips/mm/c-octeon.c')
| -rw-r--r-- | arch/mips/mm/c-octeon.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/mm/c-octeon.c b/arch/mips/mm/c-octeon.c index f41a5c5b086..05b1d7cf951 100644 --- a/arch/mips/mm/c-octeon.c +++ b/arch/mips/mm/c-octeon.c @@ -137,8 +137,10 @@ static void octeon_flush_cache_sigtramp(unsigned long addr) { struct vm_area_struct *vma; + down_read(¤t->mm->mmap_sem); vma = find_vma(current->mm, addr); octeon_flush_icache_all_cores(vma); + up_read(¤t->mm->mmap_sem); } |