diff options
| author | Dave Airlie <airlied@redhat.com> | 2018-07-04 10:27:12 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2018-07-04 10:27:12 +1000 |
| commit | f29135ee4e0d4e01911ed569f731bfdb841cea6d (patch) | |
| tree | e72d49a2f677dd069c3a673522cf785548148f71 /arch/x86/include/asm/pgalloc.h | |
| parent | eab976693153b9854bfa83d131374748f6ca4280 (diff) | |
| parent | 021c91791a5e7e85c567452f1be3e4c2c6cb6063 (diff) | |
Merge v4.18-rc3 into drm-next
Two requests have come in for a backmerge,
and I've got some pull reqs on rc2, so this
just makes sense.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/pgalloc.h')
| -rw-r--r-- | arch/x86/include/asm/pgalloc.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h index ada6410fd2ec..fbd578daa66e 100644 --- a/arch/x86/include/asm/pgalloc.h +++ b/arch/x86/include/asm/pgalloc.h @@ -184,6 +184,9 @@ static inline p4d_t *p4d_alloc_one(struct mm_struct *mm, unsigned long addr) static inline void p4d_free(struct mm_struct *mm, p4d_t *p4d) { + if (!pgtable_l5_enabled()) + return; + BUG_ON((unsigned long)p4d & (PAGE_SIZE-1)); free_page((unsigned long)p4d); } |