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highmem-internal.h: fix typo in the comment for kunmap_atomic()

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Replace `PREEMP_RT` with `PREEMPT_RT` in the header comment to match the
correct kernel configuration name.

Link: https://lore.kernel.org/20260505021125.1941691-1-zhouzhouyi@gmail.com
Signed-off-by: Zhouyi Zhou <zhouzhouyi@gmail.com>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Zhouyi Zhou 2026-05-05 02:11:25 +00:00 committed by Andrew Morton
parent f27d56b4f2
commit 9d5685286a
1 changed files with 1 additions and 1 deletions
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include/linux/highmem-internal.h
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@ -262,7 +262,7 @@ static inline bool is_kmap_addr(const void *x)
* @__addr: Virtual address to be unmapped
*
* Unmaps an address previously mapped by kmap_atomic() and re-enables
* pagefaults. Depending on PREEMP_RT configuration, re-enables also
* pagefaults. Depending on PREEMPT_RT configuration, re-enables also
* migration and preemption. Users should not count on these side effects.
*
* Mappings should be unmapped in the reverse order that they were mapped.