diff options
| -rw-r--r-- | mm/vmalloc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 628f96e83b11..429a893b0505 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -305,6 +305,11 @@ static int vmap_range_noflush(unsigned long addr, unsigned long end, int err; pgtbl_mod_mask mask = 0; + /* + * Might allocate pagetables (for most archs a more precise annotation + * would be might_alloc(GFP_PGTABLE_KERNEL)). Also might shootdown TLB + * (requires IRQs enabled on x86). + */ might_sleep(); BUG_ON(addr >= end); |