diff options
Diffstat (limited to 'mm/madvise.c')
| -rw-r--r-- | mm/madvise.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/mm/madvise.c b/mm/madvise.c index 07427d3fcead..93fb63e88b5e 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -707,10 +707,12 @@ SYSCALL_DEFINE3(madvise, unsigned long, start, size_t, len_in, int, behavior) return error; write = madvise_need_mmap_write(behavior); - if (write) - down_write(¤t->mm->mmap_sem); - else + if (write) { + if (down_write_killable(¤t->mm->mmap_sem)) + return -EINTR; + } else { down_read(¤t->mm->mmap_sem); + } /* * If the interval [start,end) covers some unmapped address |