From: Matthew Wilcox <willy@infradead.org>
To: Suren Baghdasaryan <surenb@google.com>
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Subject: Re: [PATCH v5 14/37] lib: introduce support for page allocation tagging
Date: Fri, 15 Mar 2024 14:24:04 +0000 [thread overview]
Message-ID: <ZfRaBJ8nq57TAG6L@casper.infradead.org> (raw)
In-Reply-To: <20240306182440.2003814-15-surenb@google.com>
On Wed, Mar 06, 2024 at 10:24:12AM -0800, Suren Baghdasaryan wrote:
> +static inline void pgalloc_tag_add(struct page *page, struct task_struct *task,
> + unsigned int order)
If you make this "unsigned int nr" instead of order, (a) it won't look
completely insane (what does adding an order even mean?) and (b) you
can reuse it from the __free_pages path.
> @@ -1101,6 +1102,7 @@ __always_inline bool free_pages_prepare(struct page *page,
> /* Do not let hwpoison pages hit pcplists/buddy */
> reset_page_owner(page, order);
> page_table_check_free(page, order);
> + pgalloc_tag_sub(page, order);
Obviously you'll need to make sure all the callers now pass in 1 <<
order instead of just order.
next prev parent reply other threads:[~2024-03-15 14:24 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-06 18:23 [PATCH v5 00/37] Memory allocation profiling Suren Baghdasaryan
2024-03-06 18:23 ` [PATCH v5 01/37] fix missing vmalloc.h includes Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 02/37] asm-generic/io.h: Kill vmalloc.h dependency Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 03/37] mm/slub: Mark slab_free_freelist_hook() __always_inline Suren Baghdasaryan
2024-03-13 13:53 ` Vlastimil Babka
2024-03-06 18:24 ` [PATCH v5 04/37] scripts/kallysms: Always include __start and __stop symbols Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 05/37] fs: Convert alloc_inode_sb() to a macro Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 06/37] mm: introduce slabobj_ext to support slab object extensions Suren Baghdasaryan
2024-03-13 13:59 ` Vlastimil Babka
2024-03-06 18:24 ` [PATCH v5 07/37] mm: introduce __GFP_NO_OBJ_EXT flag to selectively prevent slabobj_ext creation Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 08/37] mm/slab: introduce SLAB_NO_OBJ_EXT to avoid obj_ext creation Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 09/37] slab: objext: introduce objext_flags as extension to page_memcg_data_flags Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 10/37] lib: code tagging framework Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 11/37] lib: code tagging module support Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 12/37] lib: prevent module unloading if memory is not freed Suren Baghdasaryan
2024-03-12 18:22 ` Luis Chamberlain
2024-03-12 18:41 ` Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 13/37] lib: add allocation tagging support for memory allocation profiling Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 14/37] lib: introduce support for page allocation tagging Suren Baghdasaryan
2024-03-15 14:24 ` Matthew Wilcox [this message]
2024-03-15 15:47 ` Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 15/37] lib: introduce early boot parameter to avoid page_ext memory overhead Suren Baghdasaryan
2024-03-13 14:35 ` Vlastimil Babka
2024-03-06 18:24 ` [PATCH v5 16/37] mm: percpu: increase PERCPU_MODULE_RESERVE to accommodate allocation tags Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 17/37] change alloc_pages name in dma_map_ops to avoid name conflicts Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 18/37] mm: enable page allocation tagging Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 19/37] mm: create new codetag references during page splitting Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 20/37] mm: fix non-compound multi-order memory accounting in __free_pages Suren Baghdasaryan
2024-03-13 14:44 ` Vlastimil Babka
2024-03-13 15:04 ` Matthew Wilcox
2024-03-13 15:31 ` Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 21/37] mm/page_ext: enable early_page_ext when CONFIG_MEM_ALLOC_PROFILING_DEBUG=y Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 22/37] lib: add codetag reference into slabobj_ext Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 23/37] mm/slab: add allocation accounting into slab allocation and free paths Suren Baghdasaryan
2024-03-15 10:58 ` Vlastimil Babka
2024-03-15 15:43 ` Suren Baghdasaryan
2024-03-15 16:52 ` Vlastimil Babka
2024-03-15 17:06 ` Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 24/37] rust: Add a rust helper for krealloc() Suren Baghdasaryan
2024-03-08 15:23 ` Miguel Ojeda
2024-03-06 18:24 ` [PATCH v5 25/37] mm/slab: enable slab allocation tagging for kmalloc and friends Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 26/37] mempool: Hook up to memory allocation profiling Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 27/37] mm: percpu: Introduce pcpuobj_ext Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 28/37] mm: percpu: Add codetag reference into pcpuobj_ext Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 29/37] mm: percpu: enable per-cpu allocation tagging Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 30/37] mm: vmalloc: Enable memory allocation profiling Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 31/37] rhashtable: Plumb through alloc tag Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 32/37] lib: add memory allocations report in show_mem() Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 33/37] codetag: debug: skip objext checking when it's for objext itself Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 34/37] codetag: debug: mark codetags for reserved pages as empty Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 35/37] codetag: debug: introduce OBJEXTS_ALLOC_FAIL to mark failed slab_ext allocations Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 36/37] MAINTAINERS: Add entries for code tagging and memory allocation profiling Suren Baghdasaryan
2024-03-06 18:24 ` [PATCH v5 37/37] memprofiling: Documentation Suren Baghdasaryan
2024-03-07 3:18 ` Randy Dunlap
2024-03-07 16:51 ` Suren Baghdasaryan
2024-03-07 19:58 ` Randy Dunlap
2024-03-07 18:17 ` Kent Overstreet
2024-03-07 20:03 ` Randy Dunlap
2024-03-07 20:15 ` John Hubbard
2024-03-07 20:53 ` Randy Dunlap
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