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| author | Jonathan Corbet <corbet@lwn.net> | 2018-07-02 11:14:50 -0600 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2018-07-02 11:14:50 -0600 |
| commit | 5f6654094ff35a7a92eb76667788ef633595e4ea (patch) | |
| tree | 8404c5fb245cddbc6877b97a9bf53139c95da852 /arch/x86/include/asm/pgalloc.h | |
| parent | 5105730fbf6789ff9e20837bdefe32e8ba133595 (diff) | |
| parent | 021c91791a5e7e85c567452f1be3e4c2c6cb6063 (diff) | |
Merge tag 'v4.18-rc3' into docs-next
-rc1 broke the docs build due to changes in the e100/e1000 drivers; -rc3
got the fixes via the networking tree. Pull in -rc3 so that the docs tree
can actually build the docs again.
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); } |