kernel: mmu: k_mem_page_frame_evict() fix locking typo
... when CONFIG_DEMAND_PAGING_ALLOW_IRQ is set.
Found during code inspection. k_mem_page_frame_evict() is otherwise
rarely used,
Signed-off-by: Nicolas Pitre <npitre@baylibre.com>
diff --git a/kernel/mmu.c b/kernel/mmu.c
index 322fc61..e730ca3 100644
--- a/kernel/mmu.c
+++ b/kernel/mmu.c
@@ -1503,7 +1503,7 @@
do_backing_store_page_out(location);
}
#ifdef CONFIG_DEMAND_PAGING_ALLOW_IRQ
- k_spin_unlock(&z_mm_lock, key);
+ key = k_spin_lock(&z_mm_lock);
#endif /* CONFIG_DEMAND_PAGING_ALLOW_IRQ */
page_frame_free_locked(pf);
out:
