From 23fa18eaa71266feff7ba8d83022d9e1cc83c65a Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:42:03 +0000
Subject: [PATCH] disable pwm7
---
kernel/include/linux/memblock.h | 371 +++++++++++++++++++++++++++++++++++++---------------
1 files changed, 265 insertions(+), 106 deletions(-)
diff --git a/kernel/include/linux/memblock.h b/kernel/include/linux/memblock.h
index 7aa11ea..bdf9dcd 100644
--- a/kernel/include/linux/memblock.h
+++ b/kernel/include/linux/memblock.h
@@ -1,24 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
#ifndef _LINUX_MEMBLOCK_H
#define _LINUX_MEMBLOCK_H
#ifdef __KERNEL__
-#ifdef CONFIG_HAVE_MEMBLOCK
/*
* Logical memory blocks.
*
* Copyright (C) 2001 Peter Bergner, IBM Corp.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
*/
#include <linux/init.h>
#include <linux/mm.h>
+#include <asm/dma.h>
-#define INIT_MEMBLOCK_REGIONS 128
-#define INIT_PHYSMEM_REGIONS 4
+extern unsigned long max_low_pfn;
+extern unsigned long min_low_pfn;
+
+/*
+ * highest page
+ */
+extern unsigned long max_pfn;
+/*
+ * highest possible page
+ */
+extern unsigned long long max_possible_pfn;
+
+#ifdef CONFIG_ROCKCHIP_THUNDER_BOOT
+extern int defer_free_memblock(void *unused);
+#endif
/**
* enum memblock_flags - definition of memory region attributes
@@ -36,7 +45,7 @@
/**
* struct memblock_region - represents a memory region
- * @base: physical address of the region
+ * @base: base address of the region
* @size: size of the region
* @flags: memory region attributes
* @nid: NUMA node id
@@ -45,7 +54,7 @@
phys_addr_t base;
phys_addr_t size;
enum memblock_flags flags;
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
+#ifdef CONFIG_NEED_MULTIPLE_NODES
int nid;
#endif
};
@@ -70,38 +79,28 @@
* struct memblock - memblock allocator metadata
* @bottom_up: is bottom up direction?
* @current_limit: physical address of the current allocation limit
- * @memory: usabe memory regions
+ * @memory: usable memory regions
* @reserved: reserved memory regions
- * @physmem: all physical memory
*/
struct memblock {
bool bottom_up; /* is bottom up direction? */
phys_addr_t current_limit;
struct memblock_type memory;
struct memblock_type reserved;
-#ifdef CONFIG_HAVE_MEMBLOCK_PHYS_MAP
- struct memblock_type physmem;
-#endif
};
extern struct memblock memblock;
-extern int memblock_debug;
-#ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
+#ifndef CONFIG_ARCH_KEEP_MEMBLOCK
#define __init_memblock __meminit
#define __initdata_memblock __meminitdata
void memblock_discard(void);
#else
#define __init_memblock
#define __initdata_memblock
+static inline void memblock_discard(void) {}
#endif
-#define memblock_dbg(fmt, ...) \
- if (memblock_debug) printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
-
-phys_addr_t memblock_find_in_range_node(phys_addr_t size, phys_addr_t align,
- phys_addr_t start, phys_addr_t end,
- int nid, enum memblock_flags flags);
phys_addr_t memblock_find_in_range(phys_addr_t start, phys_addr_t end,
phys_addr_t size, phys_addr_t align);
void memblock_allow_resize(void);
@@ -110,6 +109,9 @@
int memblock_remove(phys_addr_t base, phys_addr_t size);
int memblock_free(phys_addr_t base, phys_addr_t size);
int memblock_reserve(phys_addr_t base, phys_addr_t size);
+#ifdef CONFIG_HAVE_MEMBLOCK_PHYS_MAP
+int memblock_physmem_add(phys_addr_t base, phys_addr_t size);
+#endif
void memblock_trim_memory(phys_addr_t align);
bool memblock_overlaps_region(struct memblock_type *type,
phys_addr_t base, phys_addr_t size);
@@ -118,13 +120,12 @@
int memblock_mark_mirror(phys_addr_t base, phys_addr_t size);
int memblock_mark_nomap(phys_addr_t base, phys_addr_t size);
int memblock_clear_nomap(phys_addr_t base, phys_addr_t size);
-enum memblock_flags choose_memblock_flags(void);
+
+unsigned long memblock_free_all(void);
+void reset_node_managed_pages(pg_data_t *pgdat);
+void reset_all_zones_managed_pages(void);
/* Low level functions */
-int memblock_add_range(struct memblock_type *type,
- phys_addr_t base, phys_addr_t size,
- int nid, enum memblock_flags flags);
-
void __next_mem_range(u64 *idx, int nid, enum memblock_flags flags,
struct memblock_type *type_a,
struct memblock_type *type_b, phys_addr_t *out_start,
@@ -135,15 +136,34 @@
struct memblock_type *type_b, phys_addr_t *out_start,
phys_addr_t *out_end, int *out_nid);
-void __next_reserved_mem_region(u64 *idx, phys_addr_t *out_start,
- phys_addr_t *out_end);
-
-void __memblock_free_early(phys_addr_t base, phys_addr_t size);
void __memblock_free_late(phys_addr_t base, phys_addr_t size);
-void create_pgtable_mapping(phys_addr_t start, phys_addr_t end);
+
+#ifdef CONFIG_HAVE_MEMBLOCK_PHYS_MAP
+static inline void __next_physmem_range(u64 *idx, struct memblock_type *type,
+ phys_addr_t *out_start,
+ phys_addr_t *out_end)
+{
+ extern struct memblock_type physmem;
+
+ __next_mem_range(idx, NUMA_NO_NODE, MEMBLOCK_NONE, &physmem, type,
+ out_start, out_end, NULL);
+}
/**
- * for_each_mem_range - iterate through memblock areas from type_a and not
+ * for_each_physmem_range - iterate through physmem areas not included in type.
+ * @i: u64 used as loop variable
+ * @type: ptr to memblock_type which excludes from the iteration, can be %NULL
+ * @p_start: ptr to phys_addr_t for start address of the range, can be %NULL
+ * @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
+ */
+#define for_each_physmem_range(i, type, p_start, p_end) \
+ for (i = 0, __next_physmem_range(&i, type, p_start, p_end); \
+ i != (u64)ULLONG_MAX; \
+ __next_physmem_range(&i, type, p_start, p_end))
+#endif /* CONFIG_HAVE_MEMBLOCK_PHYS_MAP */
+
+/**
+ * __for_each_mem_range - iterate through memblock areas from type_a and not
* included in type_b. Or just type_a if type_b is NULL.
* @i: u64 used as loop variable
* @type_a: ptr to memblock_type to iterate
@@ -154,7 +174,7 @@
* @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
* @p_nid: ptr to int for nid of the range, can be %NULL
*/
-#define for_each_mem_range(i, type_a, type_b, nid, flags, \
+#define __for_each_mem_range(i, type_a, type_b, nid, flags, \
p_start, p_end, p_nid) \
for (i = 0, __next_mem_range(&i, nid, flags, type_a, type_b, \
p_start, p_end, p_nid); \
@@ -163,7 +183,7 @@
p_start, p_end, p_nid))
/**
- * for_each_mem_range_rev - reverse iterate through memblock areas from
+ * __for_each_mem_range_rev - reverse iterate through memblock areas from
* type_a and not included in type_b. Or just type_a if type_b is NULL.
* @i: u64 used as loop variable
* @type_a: ptr to memblock_type to iterate
@@ -174,17 +194,38 @@
* @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
* @p_nid: ptr to int for nid of the range, can be %NULL
*/
-#define for_each_mem_range_rev(i, type_a, type_b, nid, flags, \
- p_start, p_end, p_nid) \
+#define __for_each_mem_range_rev(i, type_a, type_b, nid, flags, \
+ p_start, p_end, p_nid) \
for (i = (u64)ULLONG_MAX, \
- __next_mem_range_rev(&i, nid, flags, type_a, type_b,\
+ __next_mem_range_rev(&i, nid, flags, type_a, type_b, \
p_start, p_end, p_nid); \
i != (u64)ULLONG_MAX; \
__next_mem_range_rev(&i, nid, flags, type_a, type_b, \
p_start, p_end, p_nid))
/**
- * for_each_reserved_mem_region - iterate over all reserved memblock areas
+ * for_each_mem_range - iterate through memory areas.
+ * @i: u64 used as loop variable
+ * @p_start: ptr to phys_addr_t for start address of the range, can be %NULL
+ * @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
+ */
+#define for_each_mem_range(i, p_start, p_end) \
+ __for_each_mem_range(i, &memblock.memory, NULL, NUMA_NO_NODE, \
+ MEMBLOCK_HOTPLUG, p_start, p_end, NULL)
+
+/**
+ * for_each_mem_range_rev - reverse iterate through memblock areas from
+ * type_a and not included in type_b. Or just type_a if type_b is NULL.
+ * @i: u64 used as loop variable
+ * @p_start: ptr to phys_addr_t for start address of the range, can be %NULL
+ * @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
+ */
+#define for_each_mem_range_rev(i, p_start, p_end) \
+ __for_each_mem_range_rev(i, &memblock.memory, NULL, NUMA_NO_NODE, \
+ MEMBLOCK_HOTPLUG, p_start, p_end, NULL)
+
+/**
+ * for_each_reserved_mem_range - iterate over all reserved memblock areas
* @i: u64 used as loop variable
* @p_start: ptr to phys_addr_t for start address of the range, can be %NULL
* @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
@@ -192,10 +233,9 @@
* Walks over reserved areas of memblock. Available as soon as memblock
* is initialized.
*/
-#define for_each_reserved_mem_region(i, p_start, p_end) \
- for (i = 0UL, __next_reserved_mem_region(&i, p_start, p_end); \
- i != (u64)ULLONG_MAX; \
- __next_reserved_mem_region(&i, p_start, p_end))
+#define for_each_reserved_mem_range(i, p_start, p_end) \
+ __for_each_mem_range(i, &memblock.reserved, NULL, NUMA_NO_NODE, \
+ MEMBLOCK_NONE, p_start, p_end, NULL)
static inline bool memblock_is_hotpluggable(struct memblock_region *m)
{
@@ -212,7 +252,6 @@
return m->flags & MEMBLOCK_NOMAP;
}
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
int memblock_search_pfn_nid(unsigned long pfn, unsigned long *start_pfn,
unsigned long *end_pfn);
void __next_mem_pfn_range(int *idx, int nid, unsigned long *out_start_pfn,
@@ -231,7 +270,50 @@
#define for_each_mem_pfn_range(i, nid, p_start, p_end, p_nid) \
for (i = -1, __next_mem_pfn_range(&i, nid, p_start, p_end, p_nid); \
i >= 0; __next_mem_pfn_range(&i, nid, p_start, p_end, p_nid))
-#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
+
+#ifdef CONFIG_DEFERRED_STRUCT_PAGE_INIT
+void __next_mem_pfn_range_in_zone(u64 *idx, struct zone *zone,
+ unsigned long *out_spfn,
+ unsigned long *out_epfn);
+/**
+ * for_each_free_mem_range_in_zone - iterate through zone specific free
+ * memblock areas
+ * @i: u64 used as loop variable
+ * @zone: zone in which all of the memory blocks reside
+ * @p_start: ptr to phys_addr_t for start address of the range, can be %NULL
+ * @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
+ *
+ * Walks over free (memory && !reserved) areas of memblock in a specific
+ * zone. Available once memblock and an empty zone is initialized. The main
+ * assumption is that the zone start, end, and pgdat have been associated.
+ * This way we can use the zone to determine NUMA node, and if a given part
+ * of the memblock is valid for the zone.
+ */
+#define for_each_free_mem_pfn_range_in_zone(i, zone, p_start, p_end) \
+ for (i = 0, \
+ __next_mem_pfn_range_in_zone(&i, zone, p_start, p_end); \
+ i != U64_MAX; \
+ __next_mem_pfn_range_in_zone(&i, zone, p_start, p_end))
+
+/**
+ * for_each_free_mem_range_in_zone_from - iterate through zone specific
+ * free memblock areas from a given point
+ * @i: u64 used as loop variable
+ * @zone: zone in which all of the memory blocks reside
+ * @p_start: ptr to phys_addr_t for start address of the range, can be %NULL
+ * @p_end: ptr to phys_addr_t for end address of the range, can be %NULL
+ *
+ * Walks over free (memory && !reserved) areas of memblock in a specific
+ * zone, continuing from current position. Available as soon as memblock is
+ * initialized.
+ */
+#define for_each_free_mem_pfn_range_in_zone_from(i, zone, p_start, p_end) \
+ for (; i != U64_MAX; \
+ __next_mem_pfn_range_in_zone(&i, zone, p_start, p_end))
+
+int __init deferred_page_init_max_threads(const struct cpumask *node_cpumask);
+
+#endif /* CONFIG_DEFERRED_STRUCT_PAGE_INIT */
/**
* for_each_free_mem_range - iterate through free memblock areas
@@ -246,8 +328,8 @@
* soon as memblock is initialized.
*/
#define for_each_free_mem_range(i, nid, flags, p_start, p_end, p_nid) \
- for_each_mem_range(i, &memblock.memory, &memblock.reserved, \
- nid, flags, p_start, p_end, p_nid)
+ __for_each_mem_range(i, &memblock.memory, &memblock.reserved, \
+ nid, flags, p_start, p_end, p_nid)
/**
* for_each_free_mem_range_reverse - rev-iterate through free memblock areas
@@ -263,25 +345,13 @@
*/
#define for_each_free_mem_range_reverse(i, nid, flags, p_start, p_end, \
p_nid) \
- for_each_mem_range_rev(i, &memblock.memory, &memblock.reserved, \
- nid, flags, p_start, p_end, p_nid)
+ __for_each_mem_range_rev(i, &memblock.memory, &memblock.reserved, \
+ nid, flags, p_start, p_end, p_nid)
-static inline void memblock_set_region_flags(struct memblock_region *r,
- enum memblock_flags flags)
-{
- r->flags |= flags;
-}
-
-static inline void memblock_clear_region_flags(struct memblock_region *r,
- enum memblock_flags flags)
-{
- r->flags &= ~flags;
-}
-
-#ifdef CONFIG_HAVE_MEMBLOCK_NODE_MAP
int memblock_set_node(phys_addr_t base, phys_addr_t size,
struct memblock_type *type, int nid);
+#ifdef CONFIG_NEED_MULTIPLE_NODES
static inline void memblock_set_region_node(struct memblock_region *r, int nid)
{
r->nid = nid;
@@ -300,17 +370,101 @@
{
return 0;
}
-#endif /* CONFIG_HAVE_MEMBLOCK_NODE_MAP */
+#endif /* CONFIG_NEED_MULTIPLE_NODES */
-phys_addr_t memblock_alloc_nid(phys_addr_t size, phys_addr_t align, int nid);
-phys_addr_t memblock_alloc_try_nid(phys_addr_t size, phys_addr_t align, int nid);
+/* Flags for memblock allocation APIs */
+#define MEMBLOCK_ALLOC_ANYWHERE (~(phys_addr_t)0)
+#define MEMBLOCK_ALLOC_ACCESSIBLE 0
+#define MEMBLOCK_ALLOC_KASAN 1
-phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align);
+/* We are using top down, so it is safe to use 0 here */
+#define MEMBLOCK_LOW_LIMIT 0
+
+#ifndef ARCH_LOW_ADDRESS_LIMIT
+#define ARCH_LOW_ADDRESS_LIMIT 0xffffffffUL
+#endif
+
+phys_addr_t memblock_phys_alloc_range(phys_addr_t size, phys_addr_t align,
+ phys_addr_t start, phys_addr_t end);
+phys_addr_t memblock_alloc_range_nid(phys_addr_t size,
+ phys_addr_t align, phys_addr_t start,
+ phys_addr_t end, int nid, bool exact_nid);
+phys_addr_t memblock_phys_alloc_try_nid(phys_addr_t size, phys_addr_t align, int nid);
+
+static __always_inline phys_addr_t memblock_phys_alloc(phys_addr_t size,
+ phys_addr_t align)
+{
+ return memblock_phys_alloc_range(size, align, 0,
+ MEMBLOCK_ALLOC_ACCESSIBLE);
+}
+
+void *memblock_alloc_exact_nid_raw(phys_addr_t size, phys_addr_t align,
+ phys_addr_t min_addr, phys_addr_t max_addr,
+ int nid);
+void *memblock_alloc_try_nid_raw(phys_addr_t size, phys_addr_t align,
+ phys_addr_t min_addr, phys_addr_t max_addr,
+ int nid);
+void *memblock_alloc_try_nid(phys_addr_t size, phys_addr_t align,
+ phys_addr_t min_addr, phys_addr_t max_addr,
+ int nid);
+
+static __always_inline void *memblock_alloc(phys_addr_t size, phys_addr_t align)
+{
+ return memblock_alloc_try_nid(size, align, MEMBLOCK_LOW_LIMIT,
+ MEMBLOCK_ALLOC_ACCESSIBLE, NUMA_NO_NODE);
+}
+
+static inline void *memblock_alloc_raw(phys_addr_t size,
+ phys_addr_t align)
+{
+ return memblock_alloc_try_nid_raw(size, align, MEMBLOCK_LOW_LIMIT,
+ MEMBLOCK_ALLOC_ACCESSIBLE,
+ NUMA_NO_NODE);
+}
+
+static inline void *memblock_alloc_from(phys_addr_t size,
+ phys_addr_t align,
+ phys_addr_t min_addr)
+{
+ return memblock_alloc_try_nid(size, align, min_addr,
+ MEMBLOCK_ALLOC_ACCESSIBLE, NUMA_NO_NODE);
+}
+
+static inline void *memblock_alloc_low(phys_addr_t size,
+ phys_addr_t align)
+{
+ return memblock_alloc_try_nid(size, align, MEMBLOCK_LOW_LIMIT,
+ ARCH_LOW_ADDRESS_LIMIT, NUMA_NO_NODE);
+}
+
+static inline void *memblock_alloc_node(phys_addr_t size,
+ phys_addr_t align, int nid)
+{
+ return memblock_alloc_try_nid(size, align, MEMBLOCK_LOW_LIMIT,
+ MEMBLOCK_ALLOC_ACCESSIBLE, nid);
+}
+
+static inline void memblock_free_early(phys_addr_t base,
+ phys_addr_t size)
+{
+ memblock_free(base, size);
+}
+
+static inline void memblock_free_early_nid(phys_addr_t base,
+ phys_addr_t size, int nid)
+{
+ memblock_free(base, size);
+}
+
+static inline void memblock_free_late(phys_addr_t base, phys_addr_t size)
+{
+ __memblock_free_late(base, size);
+}
/*
* Set the allocation direction to bottom-up or top-down.
*/
-static inline void __init memblock_set_bottom_up(bool enable)
+static inline __init_memblock void memblock_set_bottom_up(bool enable)
{
memblock.bottom_up = enable;
}
@@ -320,29 +474,13 @@
* if this is true, that said, memblock will allocate memory
* in bottom-up direction.
*/
-static inline bool memblock_bottom_up(void)
+static inline __init_memblock bool memblock_bottom_up(void)
{
return memblock.bottom_up;
}
-/* Flags for memblock_alloc_base() amd __memblock_alloc_base() */
-#define MEMBLOCK_ALLOC_ANYWHERE (~(phys_addr_t)0)
-#define MEMBLOCK_ALLOC_ACCESSIBLE 0
-#define MEMBLOCK_ALLOC_KASAN 1
-
-phys_addr_t __init memblock_alloc_range(phys_addr_t size, phys_addr_t align,
- phys_addr_t start, phys_addr_t end,
- enum memblock_flags flags);
-phys_addr_t memblock_alloc_base_nid(phys_addr_t size,
- phys_addr_t align, phys_addr_t max_addr,
- int nid, enum memblock_flags flags);
-phys_addr_t memblock_alloc_base(phys_addr_t size, phys_addr_t align,
- phys_addr_t max_addr);
-phys_addr_t __memblock_alloc_base(phys_addr_t size, phys_addr_t align,
- phys_addr_t max_addr);
phys_addr_t memblock_phys_mem_size(void);
phys_addr_t memblock_reserved_size(void);
-phys_addr_t memblock_mem_size(unsigned long limit_pfn);
phys_addr_t memblock_start_of_DRAM(void);
phys_addr_t memblock_end_of_DRAM(void);
void memblock_enforce_memory_limit(phys_addr_t memory_limit);
@@ -353,15 +491,9 @@
bool memblock_is_region_memory(phys_addr_t base, phys_addr_t size);
bool memblock_is_reserved(phys_addr_t addr);
bool memblock_is_region_reserved(phys_addr_t base, phys_addr_t size);
-bool memblock_overlaps_memory(phys_addr_t base, phys_addr_t size);
+bool memblock_is_nomap_remove(void);
-extern void __memblock_dump_all(void);
-
-static inline void memblock_dump_all(void)
-{
- if (memblock_debug)
- __memblock_dump_all();
-}
+void memblock_dump_all(void);
/**
* memblock_set_current_limit - Set the current allocation limit to allow
@@ -426,15 +558,48 @@
return PFN_UP(reg->base + reg->size);
}
-#define for_each_memblock(memblock_type, region) \
- for (region = memblock.memblock_type.regions; \
- region < (memblock.memblock_type.regions + memblock.memblock_type.cnt); \
+/**
+ * for_each_mem_region - itereate over memory regions
+ * @region: loop variable
+ */
+#define for_each_mem_region(region) \
+ for (region = memblock.memory.regions; \
+ region < (memblock.memory.regions + memblock.memory.cnt); \
region++)
-#define for_each_memblock_type(i, memblock_type, rgn) \
- for (i = 0, rgn = &memblock_type->regions[0]; \
- i < memblock_type->cnt; \
- i++, rgn = &memblock_type->regions[i])
+/**
+ * for_each_reserved_mem_region - itereate over reserved memory regions
+ * @region: loop variable
+ */
+#define for_each_reserved_mem_region(region) \
+ for (region = memblock.reserved.regions; \
+ region < (memblock.reserved.regions + memblock.reserved.cnt); \
+ region++)
+
+extern void *alloc_large_system_hash(const char *tablename,
+ unsigned long bucketsize,
+ unsigned long numentries,
+ int scale,
+ int flags,
+ unsigned int *_hash_shift,
+ unsigned int *_hash_mask,
+ unsigned long low_limit,
+ unsigned long high_limit);
+
+#define HASH_EARLY 0x00000001 /* Allocating during early boot? */
+#define HASH_SMALL 0x00000002 /* sub-page allocation allowed, min
+ * shift passed via *_hash_shift */
+#define HASH_ZERO 0x00000004 /* Zero allocated hash table */
+
+/* Only NUMA needs hash distribution. 64bit NUMA architectures have
+ * sufficient vmalloc space.
+ */
+#ifdef CONFIG_NUMA
+#define HASHDIST_DEFAULT IS_ENABLED(CONFIG_64BIT)
+extern int hashdist; /* Distribute hashes across NUMA nodes? */
+#else
+#define hashdist (0)
+#endif
#ifdef CONFIG_MEMTEST
extern void early_memtest(phys_addr_t start, phys_addr_t end);
@@ -443,12 +608,6 @@
{
}
#endif
-#else
-static inline phys_addr_t memblock_alloc(phys_addr_t size, phys_addr_t align)
-{
- return 0;
-}
-#endif /* CONFIG_HAVE_MEMBLOCK */
#endif /* __KERNEL__ */
--
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