From: Suren Baghdasaryan <surenb@google.com> To: akpm@linux-foundation.org Cc: kent.overstreet@linux.dev, mhocko@suse.com, vbabka@suse.cz, hannes@cmpxchg.org, roman.gushchin@linux.dev, mgorman@suse.de, dave@stgolabs.net, willy@infradead.org, liam.howlett@oracle.com, corbet@lwn.net, void@manifault.com, peterz@infradead.org, juri.lelli@redhat.com, ldufour@linux.ibm.com, catalin.marinas@arm.com, will@kernel.org, arnd@arndb.de, tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com, x86@kernel.org, peterx@redhat.com, david@redhat.com, axboe@kernel.dk, mcgrof@kernel.org, masahiroy@kernel.org, nathan@kernel.org, dennis@kernel.org, tj@kernel.org, muchun.song@linux.dev, rppt@kernel.org, paulmck@kernel.org, pasha.tatashin@soleen.com, yosryahmed@google.com, yuzhao@google.com, dhowells@redhat.com, hughd@google.com, andreyknvl@gmail.com, keescook@chromium.org, ndesaulniers@google.com, gregkh@linuxfoundation.org, ebiggers@google.com, ytcoode@gmail.com, vincent.guittot@linaro.org, dietmar.eggemann@arm.com, rostedt@goodmis.org, bsegall@google.com, bristot@redhat.com, vschneid@redhat.com, cl@linux.com, penberg@kernel.org, iamjoonsoo.kim@lge.com, 42.hyeyoo@gmail.com, glider@google.com, elver@google.com, dvyukov@google.com, shakeelb@google.com, songmuchun@bytedance.com, jbaron@akamai.com, rientjes@google.com, minchan@google.com, kaleshsingh@google.com, surenb@google.com, kernel-team@android.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev, linux-arch@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-modules@vger.kernel.org, kasan-dev@googlegroups.com, cgroups@vger.kernel.org Subject: [PATCH 18/40] lib: introduce support for page allocation tagging Date: Mon, 1 May 2023 09:54:28 -0700 [thread overview] Message-ID: <20230501165450.15352-19-surenb@google.com> (raw) In-Reply-To: <20230501165450.15352-1-surenb@google.com> 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. Signed-off-by: Suren Baghdasaryan <surenb@google.com> Co-developed-by: Kent Overstreet <kent.overstreet@linux.dev> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> --- include/linux/pgalloc_tag.h | 33 +++++++++++++++++++++++++++++++++ lib/Kconfig.debug | 1 + lib/alloc_tag.c | 17 +++++++++++++++++ mm/page_ext.c | 12 +++++++++--- 4 files changed, 60 insertions(+), 3 deletions(-) create mode 100644 include/linux/pgalloc_tag.h diff --git a/include/linux/pgalloc_tag.h b/include/linux/pgalloc_tag.h new file mode 100644 index 000000000000..f8c7b6ef9c75 --- /dev/null +++ b/include/linux/pgalloc_tag.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * page allocation tagging + */ +#ifndef _LINUX_PGALLOC_TAG_H +#define _LINUX_PGALLOC_TAG_H + +#include <linux/alloc_tag.h> +#include <linux/page_ext.h> + +extern struct page_ext_operations page_alloc_tagging_ops; +struct page_ext *lookup_page_ext(const struct page *page); + +static inline union codetag_ref *get_page_tag_ref(struct page *page) +{ + if (page && mem_alloc_profiling_enabled()) { + struct page_ext *page_ext = lookup_page_ext(page); + + if (page_ext) + return (void *)page_ext + page_alloc_tagging_ops.offset; + } + return NULL; +} + +static inline void pgalloc_tag_dec(struct page *page, unsigned int order) +{ + union codetag_ref *ref = get_page_tag_ref(page); + + if (ref) + alloc_tag_sub(ref, PAGE_SIZE << order); +} + +#endif /* _LINUX_PGALLOC_TAG_H */ diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index da0a91ea6042..d3aa5ee0bf0d 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -967,6 +967,7 @@ config MEM_ALLOC_PROFILING depends on DEBUG_FS select CODE_TAGGING select LAZY_PERCPU_COUNTER + select PAGE_EXTENSION help Track allocation source code and record total allocation size initiated at that code location. The mechanism can be used to track diff --git a/lib/alloc_tag.c b/lib/alloc_tag.c index 3c4cfeb79862..4a0b95a46b2e 100644 --- a/lib/alloc_tag.c +++ b/lib/alloc_tag.c @@ -4,6 +4,7 @@ #include <linux/fs.h> #include <linux/gfp.h> #include <linux/module.h> +#include <linux/page_ext.h> #include <linux/seq_buf.h> #include <linux/uaccess.h> @@ -159,6 +160,22 @@ static bool alloc_tag_module_unload(struct codetag_type *cttype, struct codetag_ return module_unused; } +static __init bool need_page_alloc_tagging(void) +{ + return true; +} + +static __init void init_page_alloc_tagging(void) +{ +} + +struct page_ext_operations page_alloc_tagging_ops = { + .size = sizeof(union codetag_ref), + .need = need_page_alloc_tagging, + .init = init_page_alloc_tagging, +}; +EXPORT_SYMBOL(page_alloc_tagging_ops); + static int __init alloc_tag_init(void) { struct codetag_type *cttype; diff --git a/mm/page_ext.c b/mm/page_ext.c index dc1626be458b..eaf054ec276c 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 @@ -90,7 +94,7 @@ static struct page_ext_operations *page_ext_ops[] __initdata = { unsigned long page_ext_size; static unsigned long total_usage; -static struct page_ext *lookup_page_ext(const struct page *page); +struct page_ext *lookup_page_ext(const struct page *page); bool early_page_ext __meminitdata; static int __init setup_early_page_ext(char *str) @@ -199,7 +203,7 @@ void __meminit pgdat_page_ext_init(struct pglist_data *pgdat) pgdat->node_page_ext = NULL; } -static struct page_ext *lookup_page_ext(const struct page *page) +struct page_ext *lookup_page_ext(const struct page *page) { unsigned long pfn = page_to_pfn(page); unsigned long index; @@ -219,6 +223,7 @@ static struct page_ext *lookup_page_ext(const struct page *page) MAX_ORDER_NR_PAGES); return get_entry(base, index); } +EXPORT_SYMBOL(lookup_page_ext); static int __init alloc_node_page_ext(int nid) { @@ -278,7 +283,7 @@ static bool page_ext_invalid(struct page_ext *page_ext) return !page_ext || (((unsigned long)page_ext & PAGE_EXT_INVALID) == PAGE_EXT_INVALID); } -static struct page_ext *lookup_page_ext(const struct page *page) +struct page_ext *lookup_page_ext(const struct page *page) { unsigned long pfn = page_to_pfn(page); struct mem_section *section = __pfn_to_section(pfn); @@ -295,6 +300,7 @@ static struct page_ext *lookup_page_ext(const struct page *page) return NULL; return get_entry(page_ext, pfn); } +EXPORT_SYMBOL(lookup_page_ext); static void *__meminit alloc_page_ext(size_t size, int nid) { -- 2.40.1.495.gc816e09b53d-goog
WARNING: multiple messages have this Message-ID (diff)
From: Suren Baghdasaryan <surenb@google.com> To: akpm@linux-foundation.org Cc: kent.overstreet@linux.dev, mhocko@suse.com, vbabka@suse.cz, hannes@cmpxchg.org, roman.gushchin@linux.dev, mgorman@suse.de, dave@stgolabs.net, willy@infradead.org, liam.howlett@oracle.com, corbet@lwn.net, void@manifault.com, peterz@infradead.org, juri.lelli@redhat.com, ldufour@linux.ibm.com, catalin.marinas@arm.com, will@kernel.org, arnd@arndb.de, tglx@linutronix.de, mingo@redhat.com, dave.hansen@linux.intel.com, x86@kernel.org, peterx@redhat.com, david@redhat.com, axboe@kernel.dk, mcgrof@kernel.org, masahiroy@kernel.org, nathan@kernel.org, dennis@kernel.org, tj@kernel.org, muchun.song@linux.dev, rppt@kernel.org, paulmck@kernel.org, pasha.tatashin@soleen.com, yosryahmed@google.com, yuzhao@google.com, dhowells@redhat.com, hughd@google.com, andreyknvl@gmail.com, keescook@chromium.org Subject: [PATCH 18/40] lib: introduce support for page allocation tagging Date: Mon, 1 May 2023 09:54:28 -0700 [thread overview] Message-ID: <20230501165450.15352-19-surenb@google.com> (raw) In-Reply-To: <20230501165450.15352-1-surenb@google.com> 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. Signed-off-by: Suren Baghdasaryan <surenb@google.com> Co-developed-by: Kent Overstreet <kent.overstreet@linux.dev> Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev> --- include/linux/pgalloc_tag.h | 33 +++++++++++++++++++++++++++++++++ lib/Kconfig.debug | 1 + lib/alloc_tag.c | 17 +++++++++++++++++ mm/page_ext.c | 12 +++++++++--- 4 files changed, 60 insertions(+), 3 deletions(-) create mode 100644 include/linux/pgalloc_tag.h diff --git a/include/linux/pgalloc_tag.h b/include/linux/pgalloc_tag.h new file mode 100644 index 000000000000..f8c7b6ef9c75 --- /dev/null +++ b/include/linux/pgalloc_tag.h @@ -0,0 +1,33 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * page allocation tagging + */ +#ifndef _LINUX_PGALLOC_TAG_H +#define _LINUX_PGALLOC_TAG_H + +#include <linux/alloc_tag.h> +#include <linux/page_ext.h> + +extern struct page_ext_operations page_alloc_tagging_ops; +struct page_ext *lookup_page_ext(const struct page *page); + +static inline union codetag_ref *get_page_tag_ref(struct page *page) +{ + if (page && mem_alloc_profiling_enabled()) { + struct page_ext *page_ext = lookup_page_ext(page); + + if (page_ext) + return (void *)page_ext + page_alloc_tagging_ops.offset; + } + return NULL; +} + +static inline void pgalloc_tag_dec(struct page *page, unsigned int order) +{ + union codetag_ref *ref = get_page_tag_ref(page); + + if (ref) + alloc_tag_sub(ref, PAGE_SIZE << order); +} + +#endif /* _LINUX_PGALLOC_TAG_H */ diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index da0a91ea6042..d3aa5ee0bf0d 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -967,6 +967,7 @@ config MEM_ALLOC_PROFILING depends on DEBUG_FS select CODE_TAGGING select LAZY_PERCPU_COUNTER + select PAGE_EXTENSION help Track allocation source code and record total allocation size initiated at that code location. The mechanism can be used to track diff --git a/lib/alloc_tag.c b/lib/alloc_tag.c index 3c4cfeb79862..4a0b95a46b2e 100644 --- a/lib/alloc_tag.c +++ b/lib/alloc_tag.c @@ -4,6 +4,7 @@ #include <linux/fs.h> #include <linux/gfp.h> #include <linux/module.h> +#include <linux/page_ext.h> #include <linux/seq_buf.h> #include <linux/uaccess.h> @@ -159,6 +160,22 @@ static bool alloc_tag_module_unload(struct codetag_type *cttype, struct codetag_ return module_unused; } +static __init bool need_page_alloc_tagging(void) +{ + return true; +} + +static __init void init_page_alloc_tagging(void) +{ +} + +struct page_ext_operations page_alloc_tagging_ops = { + .size = sizeof(union codetag_ref), + .need = need_page_alloc_tagging, + .init = init_page_alloc_tagging, +}; +EXPORT_SYMBOL(page_alloc_tagging_ops); + static int __init alloc_tag_init(void) { struct codetag_type *cttype; diff --git a/mm/page_ext.c b/mm/page_ext.c index dc1626be458b..eaf054ec276c 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 @@ -90,7 +94,7 @@ static struct page_ext_operations *page_ext_ops[] __initdata = { unsigned long page_ext_size; static unsigned long total_usage; -static struct page_ext *lookup_page_ext(const struct page *page); +struct page_ext *lookup_page_ext(const struct page *page); bool early_page_ext __meminitdata; static int __init setup_early_page_ext(char *str) @@ -199,7 +203,7 @@ void __meminit pgdat_page_ext_init(struct pglist_data *pgdat) pgdat->node_page_ext = NULL; } -static struct page_ext *lookup_page_ext(const struct page *page) +struct page_ext *lookup_page_ext(const struct page *page) { unsigned long pfn = page_to_pfn(page); unsigned long index; @@ -219,6 +223,7 @@ static struct page_ext *lookup_page_ext(const struct page *page) MAX_ORDER_NR_PAGES); return get_entry(base, index); } +EXPORT_SYMBOL(lookup_page_ext); static int __init alloc_node_page_ext(int nid) { @@ -278,7 +283,7 @@ static bool page_ext_invalid(struct page_ext *page_ext) return !page_ext || (((unsigned long)page_ext & PAGE_EXT_INVALID) == PAGE_EXT_INVALID); } -static struct page_ext *lookup_page_ext(const struct page *page) +struct page_ext *lookup_page_ext(const struct page *page) { unsigned long pfn = page_to_pfn(page); struct mem_section *section = __pfn_to_section(pfn); @@ -295,6 +300,7 @@ static struct page_ext *lookup_page_ext(const struct page *page) return NULL; return get_entry(page_ext, pfn); } +EXPORT_SYMBOL(lookup_page_ext); static void *__meminit alloc_page_ext(size_t size, int nid) { -- 2.40.1.495.gc816e09b53d-goog
next prev parent reply other threads:[~2023-05-01 16:59 UTC|newest] Thread overview: 320+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-05-01 16:54 [PATCH 00/40] Memory allocation profiling Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 01/40] lib/string_helpers: Drop space in string_get_size's output Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 18:13 ` Davidlohr Bueso 2023-05-01 18:13 ` Davidlohr Bueso 2023-05-01 19:35 ` Kent Overstreet 2023-05-01 19:35 ` Kent Overstreet 2023-05-01 19:57 ` Andy Shevchenko 2023-05-01 19:57 ` Andy Shevchenko 2023-05-01 21:16 ` Kent Overstreet 2023-05-01 21:16 ` Kent Overstreet 2023-05-01 21:33 ` Liam R. Howlett 2023-05-01 21:33 ` Liam R. Howlett 2023-05-02 0:11 ` Kent Overstreet 2023-05-02 0:11 ` Kent Overstreet 2023-05-02 0:53 ` Kent Overstreet 2023-05-02 0:53 ` Kent Overstreet [not found] ` <ZFAUj+Q+hP7cWs4w-jC9Py7bek1znysI04z7BkA@public.gmane.org> 2023-05-02 2:22 ` James Bottomley 2023-05-02 2:22 ` James Bottomley 2023-05-02 3:17 ` Kent Overstreet 2023-05-02 3:17 ` Kent Overstreet 2023-05-02 5:33 ` Andy Shevchenko 2023-05-02 5:33 ` Andy Shevchenko 2023-05-02 6:21 ` Kent Overstreet 2023-05-02 6:21 ` Kent Overstreet 2023-05-02 15:19 ` Andy Shevchenko 2023-05-02 15:19 ` Andy Shevchenko 2023-05-03 2:07 ` Kent Overstreet 2023-05-03 2:07 ` Kent Overstreet 2023-05-03 6:30 ` Andy Shevchenko 2023-05-03 6:30 ` Andy Shevchenko 2023-05-03 7:12 ` Kent Overstreet 2023-05-03 7:12 ` Kent Overstreet 2023-05-03 9:12 ` Andy Shevchenko 2023-05-03 9:12 ` Andy Shevchenko 2023-05-03 9:16 ` Kent Overstreet 2023-05-03 9:16 ` Kent Overstreet 2023-05-02 11:42 ` James Bottomley 2023-05-02 11:42 ` James Bottomley 2023-05-02 22:50 ` Dave Chinner 2023-05-02 22:50 ` Dave Chinner 2023-05-03 9:28 ` Vlastimil Babka 2023-05-03 9:28 ` Vlastimil Babka 2023-05-03 9:44 ` Andy Shevchenko 2023-05-03 9:44 ` Andy Shevchenko 2023-05-03 12:15 ` James Bottomley 2023-05-03 12:15 ` James Bottomley 2023-05-02 7:55 ` Jani Nikula 2023-05-02 7:55 ` Jani Nikula 2023-05-01 16:54 ` [PATCH 02/40] scripts/kallysms: Always include __start and __stop symbols Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 03/40] fs: Convert alloc_inode_sb() to a macro Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-02 12:35 ` Petr Tesařík 2023-05-02 12:35 ` Petr Tesařík 2023-05-02 19:57 ` Kent Overstreet 2023-05-02 19:57 ` Kent Overstreet 2023-05-02 20:20 ` Petr Tesařík 2023-05-02 20:20 ` Petr Tesařík 2023-05-01 16:54 ` [PATCH 04/40] nodemask: Split out include/linux/nodemask_types.h Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 05/40] prandom: Remove unused include Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 06/40] lib/string.c: strsep_no_empty() Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-02 12:37 ` Petr Tesařík 2023-05-02 12:37 ` Petr Tesařík 2023-05-01 16:54 ` [PATCH 07/40] Lazy percpu counters Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 19:17 ` Randy Dunlap 2023-05-01 19:17 ` Randy Dunlap 2023-05-01 16:54 ` [PATCH 08/40] mm: introduce slabobj_ext to support slab object extensions Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 09/40] mm: introduce __GFP_NO_OBJ_EXT flag to selectively prevent slabobj_ext creation Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-02 12:50 ` Petr Tesařík 2023-05-02 12:50 ` Petr Tesařík 2023-05-02 18:33 ` Suren Baghdasaryan 2023-05-02 18:33 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 10/40] mm/slab: introduce SLAB_NO_OBJ_EXT to avoid obj_ext creation Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 11/40] mm: prevent slabobj_ext allocations for slabobj_ext and kmem_cache objects Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 12/40] slab: objext: introduce objext_flags as extension to page_memcg_data_flags Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 13/40] lib: code tagging framework Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 14/40] lib: code tagging module support Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 15/40] lib: prevent module unloading if memory is not freed Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 16/40] lib: code tagging query helper functions Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 17/40] lib: add allocation tagging support for memory allocation profiling Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan [this message] 2023-05-01 16:54 ` [PATCH 18/40] lib: introduce support for page allocation tagging Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 19/40] change alloc_pages name in dma_map_ops to avoid name conflicts Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-02 15:50 ` Petr Tesařík 2023-05-02 15:50 ` Petr Tesařík 2023-05-02 18:38 ` Suren Baghdasaryan 2023-05-02 18:38 ` Suren Baghdasaryan 2023-05-02 20:09 ` Petr Tesařík 2023-05-02 20:09 ` Petr Tesařík 2023-05-02 20:18 ` Kent Overstreet 2023-05-02 20:18 ` Kent Overstreet 2023-05-02 20:24 ` Suren Baghdasaryan 2023-05-02 20:24 ` Suren Baghdasaryan 2023-05-02 20:39 ` Petr Tesařík 2023-05-02 20:39 ` Petr Tesařík 2023-05-02 20:41 ` Suren Baghdasaryan 2023-05-02 20:41 ` Suren Baghdasaryan 2023-05-03 16:25 ` Steven Rostedt 2023-05-03 16:25 ` Steven Rostedt 2023-05-03 18:03 ` Suren Baghdasaryan 2023-05-03 18:03 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 20/40] mm: enable page allocation tagging Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 21/40] mm/page_ext: enable early_page_ext when CONFIG_MEM_ALLOC_PROFILING_DEBUG=y Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 22/40] mm: create new codetag references during page splitting Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 23/40] lib: add codetag reference into slabobj_ext Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 24/40] mm/slab: add allocation accounting into slab allocation and free paths Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 25/40] mm/slab: enable slab allocation tagging for kmalloc and friends Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 26/40] mm/slub: Mark slab_free_freelist_hook() __always_inline Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 27/40] mempool: Hook up to memory allocation profiling Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 28/40] timekeeping: Fix a circular include dependency Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-02 15:50 ` Thomas Gleixner 2023-05-02 15:50 ` Thomas Gleixner 2023-05-01 16:54 ` [PATCH 29/40] mm: percpu: Introduce pcpuobj_ext Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 30/40] mm: percpu: Add codetag reference into pcpuobj_ext Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 31/40] mm: percpu: enable per-cpu allocation tagging Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 32/40] arm64: Fix circular header dependency Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 33/40] move stack capture functionality into a separate function for reuse Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 34/40] lib: code tagging context capture support Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-03 7:35 ` Michal Hocko 2023-05-03 7:35 ` Michal Hocko 2023-05-03 15:18 ` Suren Baghdasaryan 2023-05-03 15:18 ` Suren Baghdasaryan 2023-05-03 15:26 ` Dave Hansen 2023-05-03 15:26 ` Dave Hansen 2023-05-03 19:45 ` Suren Baghdasaryan 2023-05-03 19:45 ` Suren Baghdasaryan 2023-05-04 8:04 ` Michal Hocko 2023-05-04 8:04 ` Michal Hocko 2023-05-04 14:31 ` Suren Baghdasaryan 2023-05-04 14:31 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 35/40] lib: implement context capture support for tagged allocations Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-03 7:39 ` Michal Hocko 2023-05-03 7:39 ` Michal Hocko 2023-05-03 15:24 ` Suren Baghdasaryan 2023-05-03 15:24 ` Suren Baghdasaryan 2023-05-04 8:09 ` Michal Hocko 2023-05-04 8:09 ` Michal Hocko 2023-05-04 16:22 ` Suren Baghdasaryan 2023-05-04 16:22 ` Suren Baghdasaryan 2023-05-05 8:40 ` Michal Hocko 2023-05-05 8:40 ` Michal Hocko 2023-05-05 18:10 ` Suren Baghdasaryan 2023-05-05 18:10 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 36/40] lib: add memory allocations report in show_mem() Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 37/40] codetag: debug: skip objext checking when it's for objext itself Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 38/40] codetag: debug: mark codetags for reserved pages as empty Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 39/40] codetag: debug: introduce OBJEXTS_ALLOC_FAIL to mark failed slab_ext allocations Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 16:54 ` [PATCH 40/40] MAINTAINERS: Add entries for code tagging and memory allocation profiling Suren Baghdasaryan 2023-05-01 16:54 ` Suren Baghdasaryan 2023-05-01 17:47 ` [PATCH 00/40] Memory " Roman Gushchin 2023-05-01 17:47 ` Roman Gushchin 2023-05-01 18:08 ` Suren Baghdasaryan 2023-05-01 18:08 ` Suren Baghdasaryan 2023-05-01 18:14 ` Roman Gushchin 2023-05-01 18:14 ` Roman Gushchin 2023-05-01 19:37 ` Kent Overstreet 2023-05-01 19:37 ` Kent Overstreet 2023-05-01 21:18 ` Roman Gushchin 2023-05-01 21:18 ` Roman Gushchin 2023-05-03 7:25 ` Michal Hocko 2023-05-03 7:25 ` Michal Hocko 2023-05-03 7:34 ` Kent Overstreet 2023-05-03 7:34 ` Kent Overstreet 2023-05-03 7:51 ` Michal Hocko 2023-05-03 7:51 ` Michal Hocko 2023-05-03 8:05 ` Kent Overstreet 2023-05-03 8:05 ` Kent Overstreet 2023-05-03 13:21 ` Steven Rostedt 2023-05-03 13:21 ` Steven Rostedt 2023-05-03 16:35 ` Tejun Heo 2023-05-03 16:35 ` Tejun Heo 2023-05-03 17:42 ` Suren Baghdasaryan 2023-05-03 17:42 ` Suren Baghdasaryan 2023-05-03 18:06 ` Tejun Heo 2023-05-03 18:06 ` Tejun Heo 2023-05-03 17:44 ` Kent Overstreet 2023-05-03 17:44 ` Kent Overstreet 2023-05-03 17:51 ` Kent Overstreet 2023-05-03 17:51 ` Kent Overstreet 2023-05-03 18:24 ` Tejun Heo 2023-05-03 18:24 ` Tejun Heo 2023-05-03 18:07 ` Johannes Weiner 2023-05-03 18:07 ` Johannes Weiner 2023-05-03 18:19 ` Tejun Heo 2023-05-03 18:19 ` Tejun Heo 2023-05-03 18:40 ` Tejun Heo 2023-05-03 18:40 ` Tejun Heo 2023-05-03 18:56 ` Kent Overstreet 2023-05-03 18:56 ` Kent Overstreet 2023-05-03 18:58 ` Tejun Heo 2023-05-03 18:58 ` Tejun Heo 2023-05-03 19:09 ` Tejun Heo 2023-05-03 19:09 ` Tejun Heo 2023-05-03 19:41 ` Suren Baghdasaryan 2023-05-03 19:41 ` Suren Baghdasaryan 2023-05-03 19:48 ` Tejun Heo 2023-05-03 19:48 ` Tejun Heo 2023-05-03 20:00 ` Tejun Heo 2023-05-03 20:00 ` Tejun Heo 2023-05-03 20:14 ` Suren Baghdasaryan 2023-05-03 20:14 ` Suren Baghdasaryan 2023-05-04 2:25 ` Tejun Heo 2023-05-04 2:25 ` Tejun Heo 2023-05-04 3:33 ` Kent Overstreet 2023-05-04 3:33 ` Kent Overstreet 2023-05-04 3:33 ` Suren Baghdasaryan 2023-05-04 3:33 ` Suren Baghdasaryan 2023-05-04 8:00 ` Petr Tesařík 2023-05-04 8:00 ` Petr Tesařík 2023-05-03 20:08 ` Suren Baghdasaryan 2023-05-03 20:08 ` Suren Baghdasaryan 2023-05-03 20:11 ` Johannes Weiner 2023-05-03 20:11 ` Johannes Weiner 2023-05-04 2:16 ` Tejun Heo 2023-05-04 2:16 ` Tejun Heo 2023-05-03 20:04 ` Andrey Ryabinin 2023-05-03 20:04 ` Andrey Ryabinin 2023-05-03 9:50 ` Petr Tesařík 2023-05-03 9:50 ` Petr Tesařík 2023-05-03 9:54 ` Kent Overstreet 2023-05-03 9:54 ` Kent Overstreet 2023-05-03 10:24 ` Petr Tesařík 2023-05-03 10:24 ` Petr Tesařík 2023-05-03 9:57 ` Kent Overstreet 2023-05-03 9:57 ` Kent Overstreet 2023-05-03 10:26 ` Petr Tesařík 2023-05-03 10:26 ` Petr Tesařík 2023-05-03 15:30 ` Kent Overstreet 2023-05-03 15:30 ` Kent Overstreet 2023-05-03 12:33 ` James Bottomley 2023-05-03 12:33 ` James Bottomley 2023-05-03 14:31 ` Suren Baghdasaryan 2023-05-03 14:31 ` Suren Baghdasaryan 2023-05-03 15:28 ` Kent Overstreet 2023-05-03 15:28 ` Kent Overstreet 2023-05-03 15:37 ` Lorenzo Stoakes 2023-05-03 15:37 ` Lorenzo Stoakes 2023-05-03 16:03 ` Kent Overstreet 2023-05-03 16:03 ` Kent Overstreet 2023-05-03 15:49 ` James Bottomley 2023-05-03 15:49 ` James Bottomley 2023-05-03 15:09 ` Suren Baghdasaryan 2023-05-03 15:09 ` Suren Baghdasaryan 2023-05-03 16:28 ` Steven Rostedt 2023-05-03 16:28 ` Steven Rostedt 2023-05-03 17:40 ` Suren Baghdasaryan 2023-05-03 17:40 ` Suren Baghdasaryan 2023-05-03 18:03 ` Steven Rostedt 2023-05-03 18:03 ` Steven Rostedt 2023-05-03 18:07 ` Suren Baghdasaryan 2023-05-03 18:07 ` Suren Baghdasaryan 2023-05-03 18:12 ` Kent Overstreet 2023-05-03 18:12 ` Kent Overstreet 2023-05-04 9:07 ` Michal Hocko 2023-05-04 9:07 ` Michal Hocko 2023-05-04 15:08 ` Suren Baghdasaryan 2023-05-04 15:08 ` Suren Baghdasaryan 2023-05-07 10:27 ` Michal Hocko 2023-05-07 10:27 ` Michal Hocko 2023-05-07 17:01 ` Kent Overstreet 2023-05-07 17:01 ` Kent Overstreet 2023-05-07 17:20 ` Kent Overstreet 2023-05-07 17:20 ` Kent Overstreet 2023-05-07 20:55 ` Steven Rostedt 2023-05-07 20:55 ` Steven Rostedt 2023-05-07 21:53 ` Kent Overstreet 2023-05-07 21:53 ` Kent Overstreet 2023-05-07 22:09 ` Steven Rostedt 2023-05-07 22:09 ` Steven Rostedt 2023-05-07 22:17 ` Kent Overstreet 2023-05-07 22:17 ` Kent Overstreet 2023-05-08 15:52 ` Petr Tesařík 2023-05-08 15:52 ` Petr Tesařík 2023-05-08 15:57 ` Kent Overstreet 2023-05-08 15:57 ` Kent Overstreet 2023-05-08 16:09 ` Petr Tesařík 2023-05-08 16:09 ` Petr Tesařík 2023-05-08 16:28 ` Kent Overstreet 2023-05-08 16:28 ` Kent Overstreet 2023-05-08 18:59 ` Petr Tesařík 2023-05-08 18:59 ` Petr Tesařík 2023-05-08 20:48 ` Kent Overstreet 2023-05-08 20:48 ` Kent Overstreet
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