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| author |   Guo Ren <guoren@linux.alibaba.com> | 2019-12-30 15:53:37 +0800 |
|---|---|---|
| committer | Guo Ren <guoren@linux.alibaba.com> | 2020-02-21 15:43:24 +0800 |
| commit | 7f4a567332f035ab16b29010fbd04a0f10183c77 (patch) | |
| tree | f1848fc1647826b7a0a3424c3e098c2c588af9c3 /arch/csky | |
| parent | csky: Separate fixaddr_init from highmem (diff) | |
| download | wireguard-linux-7f4a567332f035ab16b29010fbd04a0f10183c77.tar.xz wireguard-linux-7f4a567332f035ab16b29010fbd04a0f10183c77.zip | |
csky/mm: Fixup export invalid_pte_table symbol
There is no present bit in csky pmd hardware, so we need to prepare invalid_pte_table
for empty pmd entry and the functions (pmd_none & pmd_present) in pgtable.h need
invalid_pte_talbe to get result. If a module use these functions, we need export the
symbol for it.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Cc: Mo Qihui <qihui.mo@verisilicon.com>
Cc: Zhange Jian <zhang_jian5@dahuatech.com>
Diffstat (limited to 'arch/csky')
| -rw-r--r-- | arch/csky/mm/init.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/csky/mm/init.c b/arch/csky/mm/init.c index 322eb7bd7962..dbb4b2dfe4b7 100644 --- a/arch/csky/mm/init.c +++ b/arch/csky/mm/init.c @@ -31,6 +31,7 @@ pgd_t swapper_pg_dir[PTRS_PER_PGD] __page_aligned_bss; pte_t invalid_pte_table[PTRS_PER_PTE] __page_aligned_bss; +EXPORT_SYMBOL(invalid_pte_table); unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)] __page_aligned_bss; EXPORT_SYMBOL(empty_zero_page); |