linux/mm/fail_page_alloc.c

// SPDX-License-Identifier: GPL-2.0
#include <linux/fault-inject.h>
#include <linux/error-injection.h>
#include <linux/mm.h>

static struct { … } fail_page_alloc = …;

static int __init setup_fail_page_alloc(char *str)
{ … }
__setup(…);

bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order)
{ … }
ALLOW_ERROR_INJECTION(…);

#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS

static int __init fail_page_alloc_debugfs(void)
{ … }

late_initcall(fail_page_alloc_debugfs);

#endif /* CONFIG_FAULT_INJECTION_DEBUG_FS */