| Message ID | 20220207171049.1102239-1-nathan@kernel.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | proc: Avoid unused variable warning in pagemap_pmd_range() | expand |
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index bc2f46033231..6e97ed775074 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -1441,9 +1441,9 @@ static int pagemap_pmd_range(pmd_t *pmdp, unsigned long addr, unsigned long end, spinlock_t *ptl; pte_t *pte, *orig_pte; int err = 0; +#ifdef CONFIG_TRANSPARENT_HUGEPAGE bool migration = false; -#ifdef CONFIG_TRANSPARENT_HUGEPAGE ptl = pmd_trans_huge_lock(pmdp, vma); if (ptl) { u64 flags = 0, frame = 0;
When building with CONFIG_TRANSPARENT_HUGEPAGE=n, there is a warning about migration being unused: fs/proc/task_mmu.c:1444:7: warning: unused variable 'migration' [-Wunused-variable] bool migration = false; ^ 1 warning generated. Move the ifdef preprocessor directive up to include migration so it is only included in the file when it is used. Signed-off-by: Nathan Chancellor <nathan@kernel.org> --- This is a fix for fs-proc-task_mmuc-dont-read-mapcount-for-migration-entry-v4.patch. fs/proc/task_mmu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) base-commit: b3c0a155ef77550d48f6eb7c6fdd6075764a5622