#include <linux/pfn.h>
#include <linux/bootmem.h>
#include <linux/module.h>
+#include <linux/kmemleak.h>
#include <asm/bug.h>
#include <asm/io.h>
return init_bootmem_core(NODE_DATA(0)->bdata, start, 0, pages);
}
+/*
+ * free_bootmem_late - free bootmem pages directly to page allocator
+ * @addr: starting address of the range
+ * @size: size of the range in bytes
+ *
+ * This is only useful when the bootmem allocator has already been torn
+ * down, but we are still initializing the system. Pages are given directly
+ * to the page allocator, no bootmem metadata is updated because it is gone.
+ */
+void __init free_bootmem_late(unsigned long addr, unsigned long size)
+{
+ unsigned long cursor, end;
+
+ kmemleak_free_part(__va(addr), size);
+
+ cursor = PFN_UP(addr);
+ end = PFN_DOWN(addr + size);
+
+ for (; cursor < end; cursor++) {
+ __free_pages_bootmem(pfn_to_page(cursor), 0);
+ totalram_pages++;
+ }
+}
+
static unsigned long __init free_all_bootmem_core(bootmem_data_t *bdata)
{
int aligned;
{
unsigned long start, end;
+ kmemleak_free_part(__va(physaddr), size);
+
start = PFN_UP(physaddr);
end = PFN_DOWN(physaddr + size);
{
unsigned long start, end;
+ kmemleak_free_part(__va(addr), size);
+
start = PFN_UP(addr);
end = PFN_DOWN(addr + size);
return mark_bootmem(start, end, 1, flags);
}
-static unsigned long align_idx(struct bootmem_data *bdata, unsigned long idx,
- unsigned long step)
+static unsigned long __init align_idx(struct bootmem_data *bdata,
+ unsigned long idx, unsigned long step)
{
unsigned long base = bdata->node_min_pfn;
return ALIGN(base + idx, step) - base;
}
-static unsigned long align_off(struct bootmem_data *bdata, unsigned long off,
- unsigned long align)
+static unsigned long __init align_off(struct bootmem_data *bdata,
+ unsigned long off, unsigned long align)
{
unsigned long base = PFN_PHYS(bdata->node_min_pfn);
region = phys_to_virt(PFN_PHYS(bdata->node_min_pfn) +
start_off);
memset(region, 0, size);
+ /*
+ * The min_count is set to 0 so that bootmem allocated blocks
+ * are never reported as leaks.
+ */
+ kmemleak_alloc(region, size, 0, 0);
return region;
}