Linux-libre 4.2-gnu

1 files changed, 0 insertions, 308 deletions

diff --git a/kernel/power/tuxonice_alloc.c b/kernel/power/tuxonice_alloc.c
deleted file mode 100644
index 5729240d8..000000000
--- a/kernel/power/tuxonice_alloc.c
+++ /dev/null
@@ -1,308 +0,0 @@
-/*
- * kernel/power/tuxonice_alloc.c
- *
- * Copyright (C) 2008-2015 Nigel Cunningham (nigel at nigelcunningham com au)
- *
- * This file is released under the GPLv2.
- *
- */
-
-#include <linux/export.h>
-#include <linux/slab.h>
-#include "tuxonice_modules.h"
-#include "tuxonice_alloc.h"
-#include "tuxonice_sysfs.h"
-#include "tuxonice.h"
-
-#define TOI_ALLOC_PATHS 41
-
-static DEFINE_MUTEX(toi_alloc_mutex);
-
-static struct toi_module_ops toi_alloc_ops;
-
-static int toi_fail_num;
-
-static atomic_t toi_alloc_count[TOI_ALLOC_PATHS],
-		toi_free_count[TOI_ALLOC_PATHS],
-		toi_test_count[TOI_ALLOC_PATHS],
-		toi_fail_count[TOI_ALLOC_PATHS];
-static int toi_cur_allocd[TOI_ALLOC_PATHS], toi_max_allocd[TOI_ALLOC_PATHS];
-static int cur_allocd, max_allocd;
-
-static char *toi_alloc_desc[TOI_ALLOC_PATHS] = {
-	"", /* 0 */
-	"get_io_info_struct",
-	"extent",
-	"extent (loading chain)",
-	"userui channel",
-	"userui arg", /* 5 */
-	"attention list metadata",
-	"extra pagedir memory metadata",
-	"bdev metadata",
-	"extra pagedir memory",
-	"header_locations_read", /* 10 */
-	"bio queue",
-	"prepare_readahead",
-	"i/o buffer",
-	"writer buffer in bio_init",
-	"checksum buffer", /* 15 */
-	"compression buffer",
-	"filewriter signature op",
-	"set resume param alloc1",
-	"set resume param alloc2",
-	"debugging info buffer", /* 20 */
-	"check can resume buffer",
-	"write module config buffer",
-	"read module config buffer",
-	"write image header buffer",
-	"read pageset1 buffer", /* 25 */
-	"get_have_image_data buffer",
-	"checksum page",
-	"worker rw loop",
-	"get nonconflicting page",
-	"ps1 load addresses", /* 30 */
-	"remove swap image",
-	"swap image exists",
-	"swap parse sig location",
-	"sysfs kobj",
-	"swap mark resume attempted buffer", /* 35 */
-	"cluster member",
-	"boot kernel data buffer",
-	"setting swap signature",
-	"block i/o bdev struct",
-        "copy before write", /* 40 */
-};
-
-#define MIGHT_FAIL(FAIL_NUM, FAIL_VAL) \
-	do { \
-		BUG_ON(FAIL_NUM >= TOI_ALLOC_PATHS); \
-		\
-		if (FAIL_NUM == toi_fail_num) { \
-			atomic_inc(&toi_test_count[FAIL_NUM]); \
-			toi_fail_num = 0; \
-			return FAIL_VAL; \
-		} \
-	} while (0)
-
-static void alloc_update_stats(int fail_num, void *result, int size)
-{
-	if (!result) {
-		atomic_inc(&toi_fail_count[fail_num]);
-		return;
-	}
-
-	atomic_inc(&toi_alloc_count[fail_num]);
-	if (unlikely(test_action_state(TOI_GET_MAX_MEM_ALLOCD))) {
-		mutex_lock(&toi_alloc_mutex);
-		toi_cur_allocd[fail_num]++;
-		cur_allocd += size;
-		if (unlikely(cur_allocd > max_allocd)) {
-			int i;
-
-			for (i = 0; i < TOI_ALLOC_PATHS; i++)
-				toi_max_allocd[i] = toi_cur_allocd[i];
-			max_allocd = cur_allocd;
-		}
-		mutex_unlock(&toi_alloc_mutex);
-	}
-}
-
-static void free_update_stats(int fail_num, int size)
-{
-	BUG_ON(fail_num >= TOI_ALLOC_PATHS);
-	atomic_inc(&toi_free_count[fail_num]);
-	if (unlikely(atomic_read(&toi_free_count[fail_num]) >
-				atomic_read(&toi_alloc_count[fail_num])))
-		dump_stack();
-	if (unlikely(test_action_state(TOI_GET_MAX_MEM_ALLOCD))) {
-		mutex_lock(&toi_alloc_mutex);
-		cur_allocd -= size;
-		toi_cur_allocd[fail_num]--;
-		mutex_unlock(&toi_alloc_mutex);
-	}
-}
-
-void *toi_kzalloc(int fail_num, size_t size, gfp_t flags)
-{
-	void *result;
-
-	if (toi_alloc_ops.enabled)
-		MIGHT_FAIL(fail_num, NULL);
-	result = kzalloc(size, flags);
-	if (toi_alloc_ops.enabled)
-		alloc_update_stats(fail_num, result, size);
-	if (fail_num == toi_trace_allocs)
-		dump_stack();
-	return result;
-}
-
-unsigned long toi_get_free_pages(int fail_num, gfp_t mask,
-		unsigned int order)
-{
-	unsigned long result;
-
-        mask |= ___GFP_TOI_NOTRACK;
-	if (toi_alloc_ops.enabled)
-		MIGHT_FAIL(fail_num, 0);
-	result = __get_free_pages(mask, order);
-	if (toi_alloc_ops.enabled)
-		alloc_update_stats(fail_num, (void *) result,
-				PAGE_SIZE << order);
-	if (fail_num == toi_trace_allocs)
-		dump_stack();
-	return result;
-}
-
-struct page *toi_alloc_page(int fail_num, gfp_t mask)
-{
-	struct page *result;
-
-	if (toi_alloc_ops.enabled)
-		MIGHT_FAIL(fail_num, NULL);
-        mask |= ___GFP_TOI_NOTRACK;
-	result = alloc_page(mask);
-	if (toi_alloc_ops.enabled)
-		alloc_update_stats(fail_num, (void *) result, PAGE_SIZE);
-	if (fail_num == toi_trace_allocs)
-		dump_stack();
-	return result;
-}
-
-unsigned long toi_get_zeroed_page(int fail_num, gfp_t mask)
-{
-	unsigned long result;
-
-	if (toi_alloc_ops.enabled)
-		MIGHT_FAIL(fail_num, 0);
-        mask |= ___GFP_TOI_NOTRACK;
-	result = get_zeroed_page(mask);
-	if (toi_alloc_ops.enabled)
-		alloc_update_stats(fail_num, (void *) result, PAGE_SIZE);
-	if (fail_num == toi_trace_allocs)
-		dump_stack();
-	return result;
-}
-
-void toi_kfree(int fail_num, const void *arg, int size)
-{
-	if (arg && toi_alloc_ops.enabled)
-		free_update_stats(fail_num, size);
-
-	if (fail_num == toi_trace_allocs)
-		dump_stack();
-	kfree(arg);
-}
-
-void toi_free_page(int fail_num, unsigned long virt)
-{
-	if (virt && toi_alloc_ops.enabled)
-		free_update_stats(fail_num, PAGE_SIZE);
-
-	if (fail_num == toi_trace_allocs)
-		dump_stack();
-	free_page(virt);
-}
-
-void toi__free_page(int fail_num, struct page *page)
-{
-	if (page && toi_alloc_ops.enabled)
-		free_update_stats(fail_num, PAGE_SIZE);
-
-	if (fail_num == toi_trace_allocs)
-		dump_stack();
-	__free_page(page);
-}
-
-void toi_free_pages(int fail_num, struct page *page, int order)
-{
-	if (page && toi_alloc_ops.enabled)
-		free_update_stats(fail_num, PAGE_SIZE << order);
-
-	if (fail_num == toi_trace_allocs)
-		dump_stack();
-	__free_pages(page, order);
-}
-
-void toi_alloc_print_debug_stats(void)
-{
-	int i, header_done = 0;
-
-	if (!toi_alloc_ops.enabled)
-		return;
-
-	for (i = 0; i < TOI_ALLOC_PATHS; i++)
-		if (atomic_read(&toi_alloc_count[i]) !=
-		    atomic_read(&toi_free_count[i])) {
-			if (!header_done) {
-				printk(KERN_INFO "Idx  Allocs   Frees   Tests "
-					"  Fails     Max Description\n");
-				header_done = 1;
-			}
-
-			printk(KERN_INFO "%3d %7d %7d %7d %7d %7d %s\n", i,
-				atomic_read(&toi_alloc_count[i]),
-				atomic_read(&toi_free_count[i]),
-				atomic_read(&toi_test_count[i]),
-				atomic_read(&toi_fail_count[i]),
-				toi_max_allocd[i],
-				toi_alloc_desc[i]);
-		}
-}
-
-static int toi_alloc_initialise(int starting_cycle)
-{
-	int i;
-
-	if (!starting_cycle)
-		return 0;
-
-	if (toi_trace_allocs)
-		dump_stack();
-
-	for (i = 0; i < TOI_ALLOC_PATHS; i++) {
-		atomic_set(&toi_alloc_count[i], 0);
-		atomic_set(&toi_free_count[i], 0);
-		atomic_set(&toi_test_count[i], 0);
-		atomic_set(&toi_fail_count[i], 0);
-		toi_cur_allocd[i] = 0;
-		toi_max_allocd[i] = 0;
-	};
-
-	max_allocd = 0;
-	cur_allocd = 0;
-	return 0;
-}
-
-static struct toi_sysfs_data sysfs_params[] = {
-	SYSFS_INT("failure_test", SYSFS_RW, &toi_fail_num, 0, 99, 0, NULL),
-	SYSFS_INT("trace", SYSFS_RW, &toi_trace_allocs, 0, TOI_ALLOC_PATHS, 0,
-			NULL),
-	SYSFS_BIT("find_max_mem_allocated", SYSFS_RW, &toi_bkd.toi_action,
-			TOI_GET_MAX_MEM_ALLOCD, 0),
-	SYSFS_INT("enabled", SYSFS_RW, &toi_alloc_ops.enabled, 0, 1, 0,
-			NULL)
-};
-
-static struct toi_module_ops toi_alloc_ops = {
-	.type					= MISC_HIDDEN_MODULE,
-	.name					= "allocation debugging",
-	.directory				= "alloc",
-	.module					= THIS_MODULE,
-	.early					= 1,
-	.initialise				= toi_alloc_initialise,
-
-	.sysfs_data		= sysfs_params,
-	.num_sysfs_entries	= sizeof(sysfs_params) /
-		sizeof(struct toi_sysfs_data),
-};
-
-int toi_alloc_init(void)
-{
-	int result = toi_register_module(&toi_alloc_ops);
-	return result;
-}
-
-void toi_alloc_exit(void)
-{
-	toi_unregister_module(&toi_alloc_ops);
-}