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--- a/linux/hostif.c 2017-09-18 15:22:18.000000000 +0200
+++ b/linux/hostif.c 2017-11-17 13:35:49.600578115 +0100
@@ -79,6 +79,37 @@
#error CONFIG_HIGH_RES_TIMERS required for acceptable performance
#endif
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 14, 0)
+# define global_zone_page_state global_page_state
+#endif
+
+static unsigned long get_nr_slab_unreclaimable(void)
+{
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 13, 0)
+ return global_node_page_state(NR_SLAB_UNRECLAIMABLE);
+#else
+ return global_page_state(NR_SLAB_UNRECLAIMABLE);
+#endif
+}
+
+static unsigned long get_nr_unevictable(void)
+{
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0)
+ return global_node_page_state(NR_UNEVICTABLE);
+#else
+ return global_page_state(NR_UNEVICTABLE);
+#endif
+}
+
+static unsigned long get_nr_anon_mapped(void)
+{
+ #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0)
+ return global_node_page_state(NR_ANON_MAPPED);
+ #else
+ return global_page_state(NR_ANON_PAGES);
+ #endif
+}
+
/*
* Although this is not really related to kernel-compatibility, I put this
* helper macro here for now for a lack of better place --hpreg
@@ -1516,16 +1547,11 @@
unsigned int reservedPages = MEMDEFAULTS_MIN_HOST_PAGES;
unsigned int hugePages = (vm == NULL) ? 0 :
BYTES_2_PAGES(vm->memInfo.hugePageBytes);
- unsigned int lockedPages = global_page_state(NR_PAGETABLE) +
- global_page_state(NR_SLAB_UNRECLAIMABLE) +
- global_page_state(NR_UNEVICTABLE) +
+ unsigned int lockedPages = global_zone_page_state(NR_PAGETABLE) +
+ get_nr_slab_unreclaimable() +
+ get_nr_unevictable() +
hugePages + reservedPages;
- unsigned int anonPages =
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0)
- global_page_state(NR_ANON_MAPPED);
-#else
- global_page_state(NR_ANON_PAGES);
-#endif
+ unsigned int anonPages = get_nr_anon_mapped();
unsigned int swapPages = BYTES_2_PAGES(linuxState.swapSize);
if (anonPages > swapPages) {
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