#include <linux/bootmem.h>
#include <linux/sysfs.h>
#include <linux/slab.h>
+#include <linux/mmdebug.h>
#include <linux/sched/signal.h>
#include <linux/rmap.h>
#include <linux/string_helpers.h>
struct resv_map *resv_map;
long gbl_reserve;
+ /* This should never happen */
+ if (from > to) {
+ VM_WARN(1, "%s called with a negative range\n", __func__);
+ return -EINVAL;
+ }
+
/*
* Only apply hugepage reservation if asked. At fault time, an
* attempt will be made for VM_NORESERVE to allocate a page