From: Christoph Hellwig <hch@lst.de> To: Jens Axboe <axboe@kernel.dk>, Matthew Wilcox <willy@infradead.org>, Johannes Weiner <hannes@cmpxchg.org>, Suren Baghdasaryan <surenb@google.com>, Andrew Morton <akpm@linux-foundation.org> Cc: Chris Mason <clm@fb.com>, Josef Bacik <josef@toxicpanda.com>, David Sterba <dsterba@suse.com>, Gao Xiang <xiang@kernel.org>, Chao Yu <chao@kernel.org>, linux-block@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-mm@kvack.org Subject: improve pagecache PSI annotations v2 Date: Thu, 15 Sep 2022 10:41:55 +0100 [thread overview] Message-ID: <20220915094200.139713-1-hch@lst.de> (raw) Hi all, currently the VM tries to abuse the block layer submission path for the page cache PSI annotations. This series instead annotates the ->read_folio and ->readahead calls in the core VM code, and then only deals with the odd direct add_to_page_cache_lru calls manually. Changes since v1: - fix a logic error in ra_alloc_folio - drop a unlikely() - spell a comment in the weird way preferred by btrfs maintainers Diffstat: block/bio.c | 8 -------- block/blk-core.c | 17 ----------------- fs/btrfs/compression.c | 14 ++++++++++++-- fs/direct-io.c | 2 -- fs/erofs/zdata.c | 13 ++++++++++++- include/linux/blk_types.h | 1 - include/linux/pagemap.h | 2 ++ kernel/sched/psi.c | 2 ++ mm/filemap.c | 7 +++++++ mm/readahead.c | 22 ++++++++++++++++++---- 10 files changed, 53 insertions(+), 35 deletions(-)
WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch@lst.de> To: Jens Axboe <axboe@kernel.dk>, Matthew Wilcox <willy@infradead.org>, Johannes Weiner <hannes@cmpxchg.org>, Suren Baghdasaryan <surenb@google.com>, Andrew Morton <akpm@linux-foundation.org> Cc: linux-mm@kvack.org, Josef Bacik <josef@toxicpanda.com>, linux-block@vger.kernel.org, Chris Mason <clm@fb.com>, David Sterba <dsterba@suse.com>, linux-fsdevel@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-btrfs@vger.kernel.org Subject: improve pagecache PSI annotations v2 Date: Thu, 15 Sep 2022 10:41:55 +0100 [thread overview] Message-ID: <20220915094200.139713-1-hch@lst.de> (raw) Hi all, currently the VM tries to abuse the block layer submission path for the page cache PSI annotations. This series instead annotates the ->read_folio and ->readahead calls in the core VM code, and then only deals with the odd direct add_to_page_cache_lru calls manually. Changes since v1: - fix a logic error in ra_alloc_folio - drop a unlikely() - spell a comment in the weird way preferred by btrfs maintainers Diffstat: block/bio.c | 8 -------- block/blk-core.c | 17 ----------------- fs/btrfs/compression.c | 14 ++++++++++++-- fs/direct-io.c | 2 -- fs/erofs/zdata.c | 13 ++++++++++++- include/linux/blk_types.h | 1 - include/linux/pagemap.h | 2 ++ kernel/sched/psi.c | 2 ++ mm/filemap.c | 7 +++++++ mm/readahead.c | 22 ++++++++++++++++++---- 10 files changed, 53 insertions(+), 35 deletions(-)
next reply other threads:[~2022-09-15 9:42 UTC|newest] Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-09-15 9:41 Christoph Hellwig [this message] 2022-09-15 9:41 ` improve pagecache PSI annotations v2 Christoph Hellwig 2022-09-15 9:41 ` [PATCH 1/5] mm: add PSI accounting around ->read_folio and ->readahead calls Christoph Hellwig 2022-09-15 9:41 ` Christoph Hellwig 2022-09-15 9:41 ` [PATCH 2/5] sched/psi: export psi_memstall_{enter,leave} Christoph Hellwig 2022-09-15 9:41 ` Christoph Hellwig 2022-09-15 9:41 ` [PATCH 3/5] btrfs: add manual PSI accounting for compressed reads Christoph Hellwig 2022-09-15 9:41 ` Christoph Hellwig 2022-11-03 10:46 ` [REGESSION] systemd-oomd overreacting due to PSI changes for Btrfs (was: Re: [PATCH 3/5] btrfs: add manual PSI accounting for compressed reads) Thorsten Leemhuis 2022-11-03 10:46 ` Thorsten Leemhuis 2022-11-03 11:08 ` [REGESSION] systemd-oomd overreacting due to PSI changes for Btrfs #forregzbot Thorsten Leemhuis 2022-11-03 11:08 ` Thorsten Leemhuis 2022-11-03 12:40 ` [REGESSION] systemd-oomd overreacting due to PSI changes for Btrfs (was: Re: [PATCH 3/5] btrfs: add manual PSI accounting for compressed reads) Christoph Hellwig 2022-11-03 12:40 ` Christoph Hellwig 2022-11-03 22:20 ` Johannes Weiner 2022-11-03 22:20 ` Johannes Weiner 2022-11-04 7:32 ` Thorsten Leemhuis 2022-11-04 7:32 ` Thorsten Leemhuis 2022-11-04 12:36 ` Johannes Weiner 2022-11-04 12:36 ` Johannes Weiner 2022-09-15 9:41 ` [PATCH 4/5] erofs: add manual PSI accounting for the compressed address space Christoph Hellwig 2022-09-15 9:41 ` Christoph Hellwig 2022-09-15 9:42 ` [PATCH 5/5] block: remove PSI accounting from the bio layer Christoph Hellwig 2022-09-15 9:42 ` Christoph Hellwig 2022-09-15 13:01 ` improve pagecache PSI annotations v2 David Sterba 2022-09-15 13:01 ` David Sterba 2022-09-19 15:45 ` Christoph Hellwig 2022-09-19 15:45 ` Christoph Hellwig 2022-09-20 14:24 ` Jens Axboe 2022-09-20 14:24 ` Jens Axboe 2022-09-20 17:21 ` Christoph Hellwig 2022-09-20 17:21 ` Christoph Hellwig
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