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-rw-r--r--mm/bounce.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/mm/bounce.c b/mm/bounce.c
index 1481de6..434fb4f 100644
--- a/mm/bounce.c
+++ b/mm/bounce.c
@@ -14,6 +14,7 @@
#include <linux/init.h>
#include <linux/hash.h>
#include <linux/highmem.h>
+#include <linux/bootmem.h>
#include <asm/tlbflush.h>
#include <trace/events/block.h>
@@ -26,12 +27,10 @@ static mempool_t *page_pool, *isa_page_pool;
#ifdef CONFIG_HIGHMEM
static __init int init_emergency_pool(void)
{
- struct sysinfo i;
- si_meminfo(&i);
- si_swapinfo(&i);
-
- if (!i.totalhigh)
+#ifndef CONFIG_MEMORY_HOTPLUG
+ if (max_pfn <= max_low_pfn)
return 0;
+#endif
page_pool = mempool_create_page_pool(POOL_SIZE, 0);
BUG_ON(!page_pool);
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