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From: Kent Overstreet To: Jens Axboe Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH 0/7] block layer patches for bcachefs Message-ID: References: <20230525214822.2725616-1-kent.overstreet@linux.dev> <8e874109-db4a-82e3-4020-0596eeabbadf@kernel.dk> <2a56b6d4-5f24-9738-ec83-cefb20998c8c@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2a56b6d4-5f24-9738-ec83-cefb20998c8c@kernel.dk> X-Migadu-Flow: FLOW_OUT X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, May 30, 2023 at 10:50:55AM -0600, Jens Axboe wrote: > Sorry typo, I meant text. Just checked stack and it looks identical, but > things like blk-map grows ~6% more text, and bio ~3%. Didn't check all > of them, but at least those two are consistent across x86-64 and > aarch64. Ditto on the data front. Need to take a closer look at where > exactly that is coming from, and what that looks like. Weird - when I looked kernel text size was unchanged, it was data that increased with the earlier version of the patch due to a new WARN_ON(). I'll have another look.