#ifndef _LTTNG_WRAPPER_VMALLOC_H
#define _LTTNG_WRAPPER_VMALLOC_H
-#include <linux/version.h>
+#include <lttng/kernel-version.h>
#include <linux/vmalloc.h>
+#include <linux/slab.h>
#include <linux/mm.h>
#ifdef CONFIG_KALLSYMS
#include <wrapper/kallsyms.h>
#include <lttng/kernel-version.h>
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0))
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,8,0))
/*
* wrapper_vmalloc_sync_mappings was removed in v5.8, the vmalloc mappings
void wrapper_vmalloc_sync_mappings(void)
{}
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0) \
+#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0) \
|| LTTNG_KERNEL_RANGE(5,5,12, 5,6,0) \
|| LTTNG_KERNEL_RANGE(5,4,28, 5,5,0) \
|| LTTNG_KERNEL_RANGE(5,2,37, 5,3,0) \
|| LTTNG_KERNEL_RANGE(4,19,113, 4,20,0) \
|| LTTNG_KERNEL_RANGE(4,14,175, 4,15,0) \
|| LTTNG_KERNEL_RANGE(4,9,218, 4,10,0) \
- || LTTNG_KERNEL_RANGE(4,4,218, 4,5,0)) \
+ || LTTNG_KERNEL_RANGE(4,4,218, 4,5,0) \
|| LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,97, 4,16,0,0) \
|| LTTNG_UBUNTU_KERNEL_RANGE(5,0,21,48, 5,1,0,0) \
- || LTTNG_UBUNTU_KERNEL_RANGE(5,3,18,52, 5,4,0,0)
+ || LTTNG_UBUNTU_KERNEL_RANGE(5,3,18,52, 5,4,0,0) \
+ || LTTNG_RHEL_KERNEL_RANGE(4,18,0,240,0,0, 4,19,0,0,0,0))
static inline
void wrapper_vmalloc_sync_mappings(void)
* trigger recursive page faults.
*/
printk_once(KERN_WARNING "LTTng: vmalloc_sync_mappings symbol lookup failed.\n");
- printk_once(KERN_WARNING "Page fault handler and NMI tracing might trigger faults.\n");
+ printk_once(KERN_WARNING "LTTng: Page fault handler and NMI tracing might trigger faults.\n");
#endif
}
}
vmalloc_sync_mappings();
}
-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) */
+#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0)) */
/*
* Map vmalloc_sync_mappings to vmalloc_sync_all() on kernels before 5.6.
* trigger recursive page faults.
*/
printk_once(KERN_WARNING "LTTng: vmalloc_sync_all symbol lookup failed.\n");
- printk_once(KERN_WARNING "Page fault handler and NMI tracing might trigger faults.\n");
+ printk_once(KERN_WARNING "LTTng: Page fault handler and NMI tracing might trigger faults.\n");
#endif
}
}
vmalloc_sync_all();
}
-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) */
+#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0)) */
#else /* CONFIG_KALLSYMS */
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0))
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,8,0))
/*
* wrapper_vmalloc_sync_mappings was removed in v5.8, the vmalloc mappings
void wrapper_vmalloc_sync_mappings(void)
{}
-#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0) \
+#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0) \
|| LTTNG_KERNEL_RANGE(5,5,12, 5,6,0) \
|| LTTNG_KERNEL_RANGE(5,4,28, 5,5,0) \
|| LTTNG_KERNEL_RANGE(5,2,37, 5,3,0) \
return vmalloc_sync_mappings();
}
-#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) */
+#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0)) */
static inline
void wrapper_vmalloc_sync_mappings(void)
return vmalloc_sync_all();
}
-#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0)) */
+#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0)) */
-#endif
+#endif /* CONFIG_KALLSYMS */
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,12,0))
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,12,0))
static inline
void *lttng_kvmalloc_node(unsigned long size, gfp_t flags, int node)
{
kvfree(addr);
}
-#else
+#else /* >= LTTNG_KERNEL_VERSION(4,12,0) */
#include <linux/slab.h>
void print_vmalloc_node_range_warning(void)
{
printk_once(KERN_WARNING "LTTng: __vmalloc_node_range symbol lookup failed.\n");
- printk_once(KERN_WARNING "Tracer performance will be degraded on NUMA systems.\n");
- printk_once(KERN_WARNING "Please rebuild your kernel with CONFIG_KALLSYMS enabled.\n");
+ printk_once(KERN_WARNING "LTTng: Tracer performance will be degraded on NUMA systems.\n");
+ printk_once(KERN_WARNING "LTTng: Please rebuild your kernel with CONFIG_KALLSYMS enabled.\n");
}
/*
kfree(addr);
}
}
-#endif
+#endif /* >= LTTNG_KERNEL_VERSION(4,12,0) */
#endif /* _LTTNG_WRAPPER_VMALLOC_H */