mm: vmalloc: enable memory allocation profiling

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.

[surenb@google.com: arch/um: fix forward declaration for vmalloc]
  Link: https://lkml.kernel.org/r/20240326073750.726636-1-surenb@google.com
[surenb@google.com: undo _noprof additions in the documentation]
  Link: https://lkml.kernel.org/r/20240326231453.1206227-5-surenb@google.com
Link: https://lkml.kernel.org/r/20240321163705.3067592-31-surenb@google.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Tested-by: Kees Cook <keescook@chromium.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Alex Gaynor <alex.gaynor@gmail.com>
Cc: Alice Ryhl <aliceryhl@google.com>
Cc: Andreas Hindborg <a.hindborg@samsung.com>
Cc: Benno Lossin <benno.lossin@proton.me>
Cc: "Björn Roy Baron" <bjorn3_gh@protonmail.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Dennis Zhou <dennis@kernel.org>
Cc: Gary Guo <gary@garyguo.net>
Cc: Miguel Ojeda <ojeda@kernel.org>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Tejun Heo <tj@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Wedson Almeida Filho <wedsonaf@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

1 files changed, 28 insertions, 28 deletions

diff --git a/mm/nommu.c b/mm/nommu.c
index 5ec8f44e7ce9..88b646ea6d30 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -137,28 +137,28 @@ void vfree(const void *addr)
 }
 EXPORT_SYMBOL(vfree);
 
-void *__vmalloc(unsigned long size, gfp_t gfp_mask)
+void *__vmalloc_noprof(unsigned long size, gfp_t gfp_mask)
 {
 	/*
 	 *  You can't specify __GFP_HIGHMEM with kmalloc() since kmalloc()
 	 * returns only a logical address.
 	 */
-	return kmalloc(size, (gfp_mask | __GFP_COMP) & ~__GFP_HIGHMEM);
+	return kmalloc_noprof(size, (gfp_mask | __GFP_COMP) & ~__GFP_HIGHMEM);
 }
-EXPORT_SYMBOL(__vmalloc);
+EXPORT_SYMBOL(__vmalloc_noprof);
 
-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)
 {
-	return __vmalloc(size, gfp_mask);
+	return __vmalloc_noprof(size, gfp_mask);
 }
 
-void *__vmalloc_node(unsigned long size, unsigned long align, gfp_t gfp_mask,
+void *__vmalloc_node_noprof(unsigned long size, unsigned long align, gfp_t gfp_mask,
 		int node, const void *caller)
 {
-	return __vmalloc(size, gfp_mask);
+	return __vmalloc_noprof(size, gfp_mask);
 }
 
 static void *__vmalloc_user_flags(unsigned long size, gfp_t flags)
@@ -179,11 +179,11 @@ static void *__vmalloc_user_flags(unsigned long size, gfp_t flags)
 	return ret;
 }
 
-void *vmalloc_user(unsigned long size)
+void *vmalloc_user_noprof(unsigned long size)
 {
 	return __vmalloc_user_flags(size, GFP_KERNEL | __GFP_ZERO);
 }
-EXPORT_SYMBOL(vmalloc_user);
+EXPORT_SYMBOL(vmalloc_user_noprof);
 
 struct page *vmalloc_to_page(const void *addr)
 {
@@ -217,13 +217,13 @@ long vread_iter(struct iov_iter *iter, const char *addr, size_t count)
  *	For tight control over page level allocator and protection flags
  *	use __vmalloc() instead.
  */
-void *vmalloc(unsigned long size)
+void *vmalloc_noprof(unsigned long size)
 {
-	return __vmalloc(size, GFP_KERNEL);
+	return __vmalloc_noprof(size, GFP_KERNEL);
 }
-EXPORT_SYMBOL(vmalloc);
+EXPORT_SYMBOL(vmalloc_noprof);
 
-void *vmalloc_huge(unsigned long size, gfp_t gfp_mask) __weak __alias(__vmalloc);
+void *vmalloc_huge_noprof(unsigned long size, gfp_t gfp_mask) __weak __alias(__vmalloc_noprof);
 
 /*
  *	vzalloc - allocate virtually contiguous memory with zero fill
@@ -237,11 +237,11 @@ void *vmalloc_huge(unsigned long size, gfp_t gfp_mask) __weak __alias(__vmalloc)
  *	For tight control over page level allocator and protection flags
  *	use __vmalloc() instead.
  */
-void *vzalloc(unsigned long size)
+void *vzalloc_noprof(unsigned long size)
 {
-	return __vmalloc(size, GFP_KERNEL | __GFP_ZERO);
+	return __vmalloc_noprof(size, GFP_KERNEL | __GFP_ZERO);
 }
-EXPORT_SYMBOL(vzalloc);
+EXPORT_SYMBOL(vzalloc_noprof);
 
 /**
  * vmalloc_node - allocate memory on a specific node
@@ -254,11 +254,11 @@ EXPORT_SYMBOL(vzalloc);
  * For tight control over page level allocator and protection flags
  * use __vmalloc() instead.
  */
-void *vmalloc_node(unsigned long size, int node)
+void *vmalloc_node_noprof(unsigned long size, int node)
 {
-	return vmalloc(size);
+	return vmalloc_noprof(size);
 }
-EXPORT_SYMBOL(vmalloc_node);
+EXPORT_SYMBOL(vmalloc_node_noprof);
 
 /**
  * vzalloc_node - allocate memory on a specific node with zero fill
@@ -272,11 +272,11 @@ EXPORT_SYMBOL(vmalloc_node);
  * For tight control over page level allocator and protection flags
  * use __vmalloc() instead.
  */
-void *vzalloc_node(unsigned long size, int node)
+void *vzalloc_node_noprof(unsigned long size, int node)
 {
-	return vzalloc(size);
+	return vzalloc_noprof(size);
 }
-EXPORT_SYMBOL(vzalloc_node);
+EXPORT_SYMBOL(vzalloc_node_noprof);
 
 /**
  * vmalloc_32  -  allocate virtually contiguous memory (32bit addressable)
@@ -285,11 +285,11 @@ EXPORT_SYMBOL(vzalloc_node);
  *	Allocate enough 32bit PA addressable pages to cover @size from the
  *	page level allocator and map them into contiguous kernel virtual space.
  */
-void *vmalloc_32(unsigned long size)
+void *vmalloc_32_noprof(unsigned long size)
 {
-	return __vmalloc(size, GFP_KERNEL);
+	return __vmalloc_noprof(size, GFP_KERNEL);
 }
-EXPORT_SYMBOL(vmalloc_32);
+EXPORT_SYMBOL(vmalloc_32_noprof);
 
 /**
  * vmalloc_32_user - allocate zeroed virtually contiguous 32bit memory
@@ -301,15 +301,15 @@ EXPORT_SYMBOL(vmalloc_32);
  * VM_USERMAP is set on the corresponding VMA so that subsequent calls to
  * remap_vmalloc_range() are permissible.
  */
-void *vmalloc_32_user(unsigned long size)
+void *vmalloc_32_user_noprof(unsigned long size)
 {
 	/*
 	 * We'll have to sort out the ZONE_DMA bits for 64-bit,
 	 * but for now this can simply use vmalloc_user() directly.
 	 */
-	return vmalloc_user(size);
+	return vmalloc_user_noprof(size);
 }
-EXPORT_SYMBOL(vmalloc_32_user);
+EXPORT_SYMBOL(vmalloc_32_user_noprof);
 
 void *vmap(struct page **pages, unsigned int count, unsigned long flags, pgprot_t prot)
 {