diff options
| author | Suren Baghdasaryan <[email protected]> | 2024-03-21 16:36:36 +0000 |
|---|---|---|
| committer | Andrew Morton <[email protected]> | 2024-04-26 03:55:53 +0000 |
| commit | dcfe378c81f72f146890ce1dcfdcc742d3b66924 (patch) | |
| tree | 48e2e9e0c910a0cfb105acb325131c6315771109 /mm/page_ext.c | |
| parent | lib: add allocation tagging support for memory allocation profiling (diff) | |
| download | kernel-dcfe378c81f72f146890ce1dcfdcc742d3b66924.tar.gz kernel-dcfe378c81f72f146890ce1dcfdcc742d3b66924.zip | |
lib: introduce support for page allocation tagging
Introduce helper functions to easily instrument page allocators by storing
a pointer to the allocation tag associated with the code that allocated
the page in a page_ext field.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Suren Baghdasaryan <[email protected]>
Co-developed-by: Kent Overstreet <[email protected]>
Signed-off-by: Kent Overstreet <[email protected]>
Reviewed-by: Vlastimil Babka <[email protected]>
Tested-by: Kees Cook <[email protected]>
Cc: Alexander Viro <[email protected]>
Cc: Alex Gaynor <[email protected]>
Cc: Alice Ryhl <[email protected]>
Cc: Andreas Hindborg <[email protected]>
Cc: Benno Lossin <[email protected]>
Cc: "Björn Roy Baron" <[email protected]>
Cc: Boqun Feng <[email protected]>
Cc: Christoph Lameter <[email protected]>
Cc: Dennis Zhou <[email protected]>
Cc: Gary Guo <[email protected]>
Cc: Miguel Ojeda <[email protected]>
Cc: Pasha Tatashin <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Tejun Heo <[email protected]>
Cc: Wedson Almeida Filho <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Diffstat (limited to 'mm/page_ext.c')
| -rw-r--r-- | mm/page_ext.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/page_ext.c b/mm/page_ext.c index 4548fcc66d74..3c58fe8a24df 100644 --- a/mm/page_ext.c +++ b/mm/page_ext.c @@ -10,6 +10,7 @@ #include <linux/page_idle.h> #include <linux/page_table_check.h> #include <linux/rcupdate.h> +#include <linux/pgalloc_tag.h> /* * struct page extension @@ -82,6 +83,9 @@ static struct page_ext_operations *page_ext_ops[] __initdata = { #if defined(CONFIG_PAGE_IDLE_FLAG) && !defined(CONFIG_64BIT) &page_idle_ops, #endif +#ifdef CONFIG_MEM_ALLOC_PROFILING + &page_alloc_tagging_ops, +#endif #ifdef CONFIG_PAGE_TABLE_CHECK &page_table_check_ops, #endif |