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Message-ID: <20231024134637.3120277-34-surenb@google.com>
Date: Tue, 24 Oct 2023 06:46:30 -0700
From: Suren Baghdasaryan <surenb@...gle.com>
To: akpm@...ux-foundation.org
Cc: kent.overstreet@...ux.dev, mhocko@...e.com, vbabka@...e.cz,
hannes@...xchg.org, roman.gushchin@...ux.dev, mgorman@...e.de,
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catalin.marinas@....com, will@...nel.org, arnd@...db.de,
tglx@...utronix.de, mingo@...hat.com, dave.hansen@...ux.intel.com,
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kasan-dev@...glegroups.com, cgroups@...r.kernel.org
Subject: [PATCH v2 33/39] mm: vmalloc: Enable memory allocation profiling
From: Kent Overstreet <kent.overstreet@...ux.dev>
This wrapps all external vmalloc allocation functions with the
alloc_hooks() wrapper, and switches internal allocations to _noprof
variants where appropriate, for the new memory allocation profiling
feature.
Signed-off-by: Kent Overstreet <kent.overstreet@...ux.dev>
Signed-off-by: Suren Baghdasaryan <surenb@...gle.com>
---
drivers/staging/media/atomisp/pci/hmm/hmm.c | 2 +-
include/linux/vmalloc.h | 60 ++++++++++----
kernel/kallsyms_selftest.c | 2 +-
mm/util.c | 24 +++---
mm/vmalloc.c | 88 ++++++++++-----------
5 files changed, 103 insertions(+), 73 deletions(-)
diff --git a/drivers/staging/media/atomisp/pci/hmm/hmm.c b/drivers/staging/media/atomisp/pci/hmm/hmm.c
index bb12644fd033..3e2899ad8517 100644
--- a/drivers/staging/media/atomisp/pci/hmm/hmm.c
+++ b/drivers/staging/media/atomisp/pci/hmm/hmm.c
@@ -205,7 +205,7 @@ static ia_css_ptr __hmm_alloc(size_t bytes, enum hmm_bo_type type,
}
dev_dbg(atomisp_dev, "pages: 0x%08x (%zu bytes), type: %d, vmalloc %p\n",
- bo->start, bytes, type, vmalloc);
+ bo->start, bytes, type, vmalloc_noprof);
return bo->start;
diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h
index c720be70c8dd..106d78e75606 100644
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@@ -2,6 +2,8 @@
#ifndef _LINUX_VMALLOC_H
#define _LINUX_VMALLOC_H
+#include <linux/alloc_tag.h>
+#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/init.h>
#include <linux/list.h>
@@ -137,26 +139,54 @@ extern unsigned long vmalloc_nr_pages(void);
static inline unsigned long vmalloc_nr_pages(void) { return 0; }
#endif
-extern void *vmalloc(unsigned long size) __alloc_size(1);
-extern void *vzalloc(unsigned long size) __alloc_size(1);
-extern void *vmalloc_user(unsigned long size) __alloc_size(1);
-extern void *vmalloc_node(unsigned long size, int node) __alloc_size(1);
-extern void *vzalloc_node(unsigned long size, int node) __alloc_size(1);
-extern void *vmalloc_32(unsigned long size) __alloc_size(1);
-extern void *vmalloc_32_user(unsigned long size) __alloc_size(1);
-extern void *__vmalloc(unsigned long size, gfp_t gfp_mask) __alloc_size(1);
-extern void *__vmalloc_node_range(unsigned long size, unsigned long align,
+extern void *vmalloc_noprof(unsigned long size) __alloc_size(1);
+#define vmalloc(...) alloc_hooks(vmalloc_noprof(__VA_ARGS__))
+
+extern void *vzalloc_noprof(unsigned long size) __alloc_size(1);
+#define vzalloc(...) alloc_hooks(vzalloc_noprof(__VA_ARGS__))
+
+extern void *vmalloc_user_noprof(unsigned long size) __alloc_size(1);
+#define vmalloc_user(...) alloc_hooks(vmalloc_user_noprof(__VA_ARGS__))
+
+extern void *vmalloc_node_noprof(unsigned long size, int node) __alloc_size(1);
+#define vmalloc_node(...) alloc_hooks(vmalloc_node_noprof(__VA_ARGS__))
+
+extern void *vzalloc_node_noprof(unsigned long size, int node) __alloc_size(1);
+#define vzalloc_node(...) alloc_hooks(vzalloc_node_noprof(__VA_ARGS__))
+
+extern void *vmalloc_32_noprof(unsigned long size) __alloc_size(1);
+#define vmalloc_32(...) alloc_hooks(vmalloc_32_noprof(__VA_ARGS__))
+
+extern void *vmalloc_32_user_noprof(unsigned long size) __alloc_size(1);
+#define vmalloc_32_user(...) alloc_hooks(vmalloc_32_user_noprof(__VA_ARGS__))
+
+extern void *__vmalloc_noprof(unsigned long size, gfp_t gfp_mask) __alloc_size(1);
+#define __vmalloc(...) alloc_hooks(__vmalloc_noprof(__VA_ARGS__))
+
+extern void *__vmalloc_node_range_noprof(unsigned long size, unsigned long align,
unsigned long start, unsigned long end, gfp_t gfp_mask,
pgprot_t prot, unsigned long vm_flags, int node,
const void *caller) __alloc_size(1);
-void *__vmalloc_node(unsigned long size, unsigned long align, gfp_t gfp_mask,
+#define __vmalloc_node_range(...) alloc_hooks(__vmalloc_node_range_noprof(__VA_ARGS__))
+
+void *__vmalloc_node_noprof(unsigned long size, unsigned long align, gfp_t gfp_mask,
int node, const void *caller) __alloc_size(1);
-void *vmalloc_huge(unsigned long size, gfp_t gfp_mask) __alloc_size(1);
+#define __vmalloc_node(...) alloc_hooks(__vmalloc_node_noprof(__VA_ARGS__))
+
+void *vmalloc_huge_noprof(unsigned long size, gfp_t gfp_mask) __alloc_size(1);
+#define vmalloc_huge(...) alloc_hooks(vmalloc_huge_noprof(__VA_ARGS__))
+
+extern void *__vmalloc_array_noprof(size_t n, size_t size, gfp_t flags) __alloc_size(1, 2);
+#define __vmalloc_array(...) alloc_hooks(__vmalloc_array_noprof(__VA_ARGS__))
+
+extern void *vmalloc_array_noprof(size_t n, size_t size) __alloc_size(1, 2);
+#define vmalloc_array(...) alloc_hooks(vmalloc_array_noprof(__VA_ARGS__))
+
+extern void *__vcalloc_noprof(size_t n, size_t size, gfp_t flags) __alloc_size(1, 2);
+#define __vcalloc(...) alloc_hooks(__vcalloc_noprof(__VA_ARGS__))
-extern void *__vmalloc_array(size_t n, size_t size, gfp_t flags) __alloc_size(1, 2);
-extern void *vmalloc_array(size_t n, size_t size) __alloc_size(1, 2);
-extern void *__vcalloc(size_t n, size_t size, gfp_t flags) __alloc_size(1, 2);
-extern void *vcalloc(size_t n, size_t size) __alloc_size(1, 2);
+extern void *vcalloc_noprof(size_t n, size_t size) __alloc_size(1, 2);
+#define vcalloc(...) alloc_hooks(vcalloc_noprof(__VA_ARGS__))
extern void vfree(const void *addr);
extern void vfree_atomic(const void *addr);
diff --git a/kernel/kallsyms_selftest.c b/kernel/kallsyms_selftest.c
index b4cac76ea5e9..3ea9be364e32 100644
--- a/kernel/kallsyms_selftest.c
+++ b/kernel/kallsyms_selftest.c
@@ -82,7 +82,7 @@ static struct test_item test_items[] = {
ITEM_FUNC(kallsyms_test_func_static),
ITEM_FUNC(kallsyms_test_func),
ITEM_FUNC(kallsyms_test_func_weak),
- ITEM_FUNC(vmalloc),
+ ITEM_FUNC(vmalloc_noprof),
ITEM_FUNC(vfree),
#ifdef CONFIG_KALLSYMS_ALL
ITEM_DATA(kallsyms_test_var_bss_static),
diff --git a/mm/util.c b/mm/util.c
index 27ed6a5ac31a..7e6043ece040 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -629,7 +629,7 @@ void *kvmalloc_node_noprof(size_t size, gfp_t flags, int node)
* about the resulting pointer, and cannot play
* protection games.
*/
- return __vmalloc_node_range(size, 1, VMALLOC_START, VMALLOC_END,
+ return __vmalloc_node_range_noprof(size, 1, VMALLOC_START, VMALLOC_END,
flags, PAGE_KERNEL, VM_ALLOW_HUGE_VMAP,
node, __builtin_return_address(0));
}
@@ -688,12 +688,12 @@ void *kvrealloc_noprof(const void *p, size_t oldsize, size_t newsize, gfp_t flag
EXPORT_SYMBOL(kvrealloc_noprof);
/**
- * __vmalloc_array - allocate memory for a virtually contiguous array.
+ * __vmalloc_array_noprof - allocate memory for a virtually contiguous array.
* @n: number of elements.
* @size: element size.
* @flags: the type of memory to allocate (see kmalloc).
*/
-void *__vmalloc_array(size_t n, size_t size, gfp_t flags)
+void *__vmalloc_array_noprof(size_t n, size_t size, gfp_t flags)
{
size_t bytes;
@@ -701,18 +701,18 @@ void *__vmalloc_array(size_t n, size_t size, gfp_t flags)
return NULL;
return __vmalloc(bytes, flags);
}
-EXPORT_SYMBOL(__vmalloc_array);
+EXPORT_SYMBOL(__vmalloc_array_noprof);
/**
- * vmalloc_array - allocate memory for a virtually contiguous array.
+ * vmalloc_array_noprof - allocate memory for a virtually contiguous array.
* @n: number of elements.
* @size: element size.
*/
-void *vmalloc_array(size_t n, size_t size)
+void *vmalloc_array_noprof(size_t n, size_t size)
{
return __vmalloc_array(n, size, GFP_KERNEL);
}
-EXPORT_SYMBOL(vmalloc_array);
+EXPORT_SYMBOL(vmalloc_array_noprof);
/**
* __vcalloc - allocate and zero memory for a virtually contiguous array.
@@ -720,22 +720,22 @@ EXPORT_SYMBOL(vmalloc_array);
* @size: element size.
* @flags: the type of memory to allocate (see kmalloc).
*/
-void *__vcalloc(size_t n, size_t size, gfp_t flags)
+void *__vcalloc_noprof(size_t n, size_t size, gfp_t flags)
{
return __vmalloc_array(n, size, flags | __GFP_ZERO);
}
-EXPORT_SYMBOL(__vcalloc);
+EXPORT_SYMBOL(__vcalloc_noprof);
/**
- * vcalloc - allocate and zero memory for a virtually contiguous array.
+ * vcalloc_noprof - allocate and zero memory for a virtually contiguous array.
* @n: number of elements.
* @size: element size.
*/
-void *vcalloc(size_t n, size_t size)
+void *vcalloc_noprof(size_t n, size_t size)
{
return __vmalloc_array(n, size, GFP_KERNEL | __GFP_ZERO);
}
-EXPORT_SYMBOL(vcalloc);
+EXPORT_SYMBOL(vcalloc_noprof);
struct anon_vma *folio_anon_vma(struct folio *folio)
{
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index a3fedb3ee0db..62fd33094bfd 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -3025,12 +3025,12 @@ vm_area_alloc_pages(gfp_t gfp, int nid,
* but mempolicy wants to alloc memory by interleaving.
*/
if (IS_ENABLED(CONFIG_NUMA) && nid == NUMA_NO_NODE)
- nr = alloc_pages_bulk_array_mempolicy(bulk_gfp,
+ nr = alloc_pages_bulk_array_mempolicy_noprof(bulk_gfp,
nr_pages_request,
pages + nr_allocated);
else
- nr = alloc_pages_bulk_array_node(bulk_gfp, nid,
+ nr = alloc_pages_bulk_array_node_noprof(bulk_gfp, nid,
nr_pages_request,
pages + nr_allocated);
@@ -3060,9 +3060,9 @@ vm_area_alloc_pages(gfp_t gfp, int nid,
break;
if (nid == NUMA_NO_NODE)
- page = alloc_pages(alloc_gfp, order);
+ page = alloc_pages_noprof(alloc_gfp, order);
else
- page = alloc_pages_node(nid, alloc_gfp, order);
+ page = alloc_pages_node_noprof(nid, alloc_gfp, order);
if (unlikely(!page)) {
if (!nofail)
break;
@@ -3119,10 +3119,10 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
/* Please note that the recursion is strictly bounded. */
if (array_size > PAGE_SIZE) {
- area->pages = __vmalloc_node(array_size, 1, nested_gfp, node,
+ area->pages = __vmalloc_node_noprof(array_size, 1, nested_gfp, node,
area->caller);
} else {
- area->pages = kmalloc_node(array_size, nested_gfp, node);
+ area->pages = kmalloc_node_noprof(array_size, nested_gfp, node);
}
if (!area->pages) {
@@ -3205,7 +3205,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
}
/**
- * __vmalloc_node_range - allocate virtually contiguous memory
+ * __vmalloc_node_range_noprof - allocate virtually contiguous memory
* @size: allocation size
* @align: desired alignment
* @start: vm area range start
@@ -3232,7 +3232,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask,
*
* Return: the address of the area or %NULL on failure
*/
-void *__vmalloc_node_range(unsigned long size, unsigned long align,
+void *__vmalloc_node_range_noprof(unsigned long size, unsigned long align,
unsigned long start, unsigned long end, gfp_t gfp_mask,
pgprot_t prot, unsigned long vm_flags, int node,
const void *caller)
@@ -3361,7 +3361,7 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align,
}
/**
- * __vmalloc_node - allocate virtually contiguous memory
+ * __vmalloc_node_noprof - allocate virtually contiguous memory
* @size: allocation size
* @align: desired alignment
* @gfp_mask: flags for the page level allocator
@@ -3379,10 +3379,10 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align,
*
* Return: pointer to the allocated memory or %NULL on error
*/
-void *__vmalloc_node(unsigned long size, unsigned long align,
+void *__vmalloc_node_noprof(unsigned long size, unsigned long align,
gfp_t gfp_mask, int node, const void *caller)
{
- return __vmalloc_node_range(size, align, VMALLOC_START, VMALLOC_END,
+ return __vmalloc_node_range_noprof(size, align, VMALLOC_START, VMALLOC_END,
gfp_mask, PAGE_KERNEL, 0, node, caller);
}
/*
@@ -3391,15 +3391,15 @@ void *__vmalloc_node(unsigned long size, unsigned long align,
* than that.
*/
#ifdef CONFIG_TEST_VMALLOC_MODULE
-EXPORT_SYMBOL_GPL(__vmalloc_node);
+EXPORT_SYMBOL_GPL(__vmalloc_node_noprof);
#endif
-void *__vmalloc(unsigned long size, gfp_t gfp_mask)
+void *__vmalloc_noprof(unsigned long size, gfp_t gfp_mask)
{
- return __vmalloc_node(size, 1, gfp_mask, NUMA_NO_NODE,
+ return __vmalloc_node_noprof(size, 1, gfp_mask, NUMA_NO_NODE,
__builtin_return_address(0));
}
-EXPORT_SYMBOL(__vmalloc);
+EXPORT_SYMBOL(__vmalloc_noprof);
/**
* vmalloc - allocate virtually contiguous memory
@@ -3413,12 +3413,12 @@ EXPORT_SYMBOL(__vmalloc);
*
* Return: pointer to the allocated memory or %NULL on error
*/
-void *vmalloc(unsigned long size)
+void *vmalloc_noprof(unsigned long size)
{
- return __vmalloc_node(size, 1, GFP_KERNEL, NUMA_NO_NODE,
+ return __vmalloc_node_noprof(size, 1, GFP_KERNEL, NUMA_NO_NODE,
__builtin_return_address(0));
}
-EXPORT_SYMBOL(vmalloc);
+EXPORT_SYMBOL(vmalloc_noprof);
/**
* vmalloc_huge - allocate virtually contiguous memory, allow huge pages
@@ -3432,16 +3432,16 @@ EXPORT_SYMBOL(vmalloc);
*
* Return: pointer to the allocated memory or %NULL on error
*/
-void *vmalloc_huge(unsigned long size, gfp_t gfp_mask)
+void *vmalloc_huge_noprof(unsigned long size, gfp_t gfp_mask)
{
- return __vmalloc_node_range(size, 1, VMALLOC_START, VMALLOC_END,
+ return __vmalloc_node_range_noprof(size, 1, VMALLOC_START, VMALLOC_END,
gfp_mask, PAGE_KERNEL, VM_ALLOW_HUGE_VMAP,
NUMA_NO_NODE, __builtin_return_address(0));
}
-EXPORT_SYMBOL_GPL(vmalloc_huge);
+EXPORT_SYMBOL_GPL(vmalloc_huge_noprof);
/**
- * vzalloc - allocate virtually contiguous memory with zero fill
+ * vzalloc_noprof - allocate virtually contiguous memory with zero fill
* @size: allocation size
*
* Allocate enough pages to cover @size from the page level
@@ -3453,12 +3453,12 @@ EXPORT_SYMBOL_GPL(vmalloc_huge);
*
* Return: pointer to the allocated memory or %NULL on error
*/
-void *vzalloc(unsigned long size)
+void *vzalloc_noprof(unsigned long size)
{
- return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_ZERO, NUMA_NO_NODE,
+ return __vmalloc_node_noprof(size, 1, GFP_KERNEL | __GFP_ZERO, NUMA_NO_NODE,
__builtin_return_address(0));
}
-EXPORT_SYMBOL(vzalloc);
+EXPORT_SYMBOL(vzalloc_noprof);
/**
* vmalloc_user - allocate zeroed virtually contiguous memory for userspace
@@ -3469,17 +3469,17 @@ EXPORT_SYMBOL(vzalloc);
*
* Return: pointer to the allocated memory or %NULL on error
*/
-void *vmalloc_user(unsigned long size)
+void *vmalloc_user_noprof(unsigned long size)
{
- return __vmalloc_node_range(size, SHMLBA, VMALLOC_START, VMALLOC_END,
+ return __vmalloc_node_range_noprof(size, SHMLBA, VMALLOC_START, VMALLOC_END,
GFP_KERNEL | __GFP_ZERO, PAGE_KERNEL,
VM_USERMAP, NUMA_NO_NODE,
__builtin_return_address(0));
}
-EXPORT_SYMBOL(vmalloc_user);
+EXPORT_SYMBOL(vmalloc_user_noprof);
/**
- * vmalloc_node - allocate memory on a specific node
+ * vmalloc_node_noprof - allocate memory on a specific node
* @size: allocation size
* @node: numa node
*
@@ -3491,15 +3491,15 @@ EXPORT_SYMBOL(vmalloc_user);
*
* Return: pointer to the allocated memory or %NULL on error
*/
-void *vmalloc_node(unsigned long size, int node)
+void *vmalloc_node_noprof(unsigned long size, int node)
{
- return __vmalloc_node(size, 1, GFP_KERNEL, node,
+ return __vmalloc_node_noprof(size, 1, GFP_KERNEL, node,
__builtin_return_address(0));
}
-EXPORT_SYMBOL(vmalloc_node);
+EXPORT_SYMBOL(vmalloc_node_noprof);
/**
- * vzalloc_node - allocate memory on a specific node with zero fill
+ * vzalloc_node_noprof - allocate memory on a specific node with zero fill
* @size: allocation size
* @node: numa node
*
@@ -3509,12 +3509,12 @@ EXPORT_SYMBOL(vmalloc_node);
*
* Return: pointer to the allocated memory or %NULL on error
*/
-void *vzalloc_node(unsigned long size, int node)
+void *vzalloc_node_noprof(unsigned long size, int node)
{
- return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_ZERO, node,
+ return __vmalloc_node_noprof(size, 1, GFP_KERNEL | __GFP_ZERO, node,
__builtin_return_address(0));
}
-EXPORT_SYMBOL(vzalloc_node);
+EXPORT_SYMBOL(vzalloc_node_noprof);
#if defined(CONFIG_64BIT) && defined(CONFIG_ZONE_DMA32)
#define GFP_VMALLOC32 (GFP_DMA32 | GFP_KERNEL)
@@ -3529,7 +3529,7 @@ EXPORT_SYMBOL(vzalloc_node);
#endif
/**
- * vmalloc_32 - allocate virtually contiguous memory (32bit addressable)
+ * vmalloc_32_noprof - allocate virtually contiguous memory (32bit addressable)
* @size: allocation size
*
* Allocate enough 32bit PA addressable pages to cover @size from the
@@ -3537,15 +3537,15 @@ EXPORT_SYMBOL(vzalloc_node);
*
* Return: pointer to the allocated memory or %NULL on error
*/
-void *vmalloc_32(unsigned long size)
+void *vmalloc_32_noprof(unsigned long size)
{
- return __vmalloc_node(size, 1, GFP_VMALLOC32, NUMA_NO_NODE,
+ return __vmalloc_node_noprof(size, 1, GFP_VMALLOC32, NUMA_NO_NODE,
__builtin_return_address(0));
}
-EXPORT_SYMBOL(vmalloc_32);
+EXPORT_SYMBOL(vmalloc_32_noprof);
/**
- * vmalloc_32_user - allocate zeroed virtually contiguous 32bit memory
+ * vmalloc_32_user_noprof - allocate zeroed virtually contiguous 32bit memory
* @size: allocation size
*
* The resulting memory area is 32bit addressable and zeroed so it can be
@@ -3553,14 +3553,14 @@ EXPORT_SYMBOL(vmalloc_32);
*
* Return: pointer to the allocated memory or %NULL on error
*/
-void *vmalloc_32_user(unsigned long size)
+void *vmalloc_32_user_noprof(unsigned long size)
{
- return __vmalloc_node_range(size, SHMLBA, VMALLOC_START, VMALLOC_END,
+ return __vmalloc_node_range_noprof(size, SHMLBA, VMALLOC_START, VMALLOC_END,
GFP_VMALLOC32 | __GFP_ZERO, PAGE_KERNEL,
VM_USERMAP, NUMA_NO_NODE,
__builtin_return_address(0));
}
-EXPORT_SYMBOL(vmalloc_32_user);
+EXPORT_SYMBOL(vmalloc_32_user_noprof);
/*
* Atomically zero bytes in the iterator.
--
2.42.0.758.gaed0368e0e-goog
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