hc
2024-09-20 a36159eec6ca17402b0e146b86efaf76568dc353
kernel/mm/highmem.c
....@@ -29,7 +29,7 @@
2929 #include <linux/highmem.h>
3030 #include <linux/kgdb.h>
3131 #include <asm/tlbflush.h>
32
-
32
+#include <linux/vmalloc.h>
3333
3434 #if defined(CONFIG_HIGHMEM) || defined(CONFIG_X86_32)
3535 DEFINE_PER_CPU(int, __kmap_atomic_idx);
....@@ -105,9 +105,8 @@
105105 }
106106 #endif
107107
108
-unsigned long totalhigh_pages __read_mostly;
109
-EXPORT_SYMBOL(totalhigh_pages);
110
-
108
+atomic_long_t _totalhigh_pages __read_mostly;
109
+EXPORT_SYMBOL(_totalhigh_pages);
111110
112111 EXPORT_PER_CPU_SYMBOL(__kmap_atomic_idx);
113112
....@@ -370,7 +369,7 @@
370369 }
371370
372371 EXPORT_SYMBOL(kunmap_high);
373
-#endif
372
+#endif /* CONFIG_HIGHMEM */
374373
375374 #if defined(HASHED_PAGE_VIRTUAL)
376375
....@@ -482,4 +481,4 @@
482481 }
483482 }
484483
485
-#endif /* defined(CONFIG_HIGHMEM) && !defined(WANT_PAGE_VIRTUAL) */
484
+#endif /* defined(HASHED_PAGE_VIRTUAL) */