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Commit ae870a68b5d1 ("arm64/mm: Convert to using
lock_mm_and_find_vma()") made do_page_fault() to use 'vma' even if
CONFIG_PER_VMA_LOCK is not defined, but the declaration is still in the
ifdef.
As a result, building kernel without the config fails with undeclared
variable error as below:
arch/arm64/mm/fault.c: In function 'do_page_fault':
arch/arm64/mm/fault.c:624:2: error: 'vma' undeclared (first use in this function); did you mean 'vmap'?
624 | vma = lock_mm_and_find_vma(mm, addr, regs);
| ^~~
| vmap
Fix it by moving the declaration out of the ifdef.
Fixes: ae870a68b5d1 ("arm64/mm: Convert to using lock_mm_and_find_vma()")
Signed-off-by: SeongJae Park <sj@kernel.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
24be4d0b46