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Howlett" , Lorenzo Stoakes , Vlastimil Babka , Jann Horn Subject: Re: [PATCH] mmap: Remove unused events vma_mas_szero and vma_store Message-Id: <20250605134910.fa50aabe5b0c13c11f6c9178@linux-foundation.org> In-Reply-To: <20250605161959.328ed2a7@gandalf.local.home> References: <20250605161959.328ed2a7@gandalf.local.home> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: E1B3C1A0018 X-Stat-Signature: gjif1gr59s9brqoi6uk8bmx8iyu34598 X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1749156552-742714 X-HE-Meta: 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 0SPriALo dOeiQj+PTgkxUs5+K9+Le61ia1k6LMM4F4nxYBlEHg+ApxbVTTHzPSFmDltvb+livWuywASXBjpZNzNimTYFzYs63lKZJ2CHv059jlLHyU7MQ+f/9UGsWiKnVnSLzhrQBgGPIbaAy6DOWs90htLM74jl1YiC1XQybPLqGG9wzAAAM6EuKoUF4RbICH+p0A21XSDQtzda/93B2/Cl2gfPqgx244MICPubGIEw0O/C8BvYYDG5XqPB0iUxk9r5ZpQ3lnkB3JldlMsZO3b4zmVhS+f/5yvZK51xCYvMUEu3H81GZILWLSrteKOliajDffYDxagn+xobwiQVr8CM8vDzgityYjioqBMuzyOJto1SPSOFzpyadaFENV2Kw5woXN2BRS7EO8Ig0J0qJkPaKM6UZW52ra56PAh7kW4Cx9xC5JZ6B0iytIKe1NaSUcA== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, 5 Jun 2025 16:19:59 -0400 Steven Rostedt wrote: > When the __vma_adjust() was converted to use the vma iterator it removed > the functions vma_mas_store() and vma_mas_remove(). These functions called > the tracepoints trace_vma_mas_store() and trace_vma_mas_szero() > respectively. The calls to these tracepoints were removed but the trace > events that created the tracepoints were not removed. Each trace event can > take up to 5K of memory, and it is allocated regardless of if they are > called or not. Thanks. mm.git has an identical patch from Caleb Mateos (https://lkml.kernel.org/r/20250411161746.1043239-1-csander@purestorage.com)