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Tue, 11 Aug 2026 12:13:36 -0700 (PDT) Date: Tue, 11 Aug 2026 15:13:35 -0400 From: Johannes Weiner To: Pedro Falcato Cc: Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Brendan Jackman , Zi Yan , linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/2] mm/page_alloc: replace custom bad page ratelimiting logic Message-ID: References: <20260811172156.356053-1-pfalcato@suse.de> <20260811172156.356053-3-pfalcato@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260811172156.356053-3-pfalcato@suse.de> X-Rspam-User: X-Stat-Signature: aju3z8htbyj83gee65z9dzc7xubqt8f9 X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 9D009A000A X-HE-Tag: 1786475618-667612 X-HE-Meta: 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 qhADMRgp f+CbEM++U60Ieu6TfKL8lRVEVaoiLADaxjUJAZeGenOEUYNPjx8gC0a8sYfH63ZYzRYAh9wPZiGXZnM30A3BCZO6bjGrQT6lKXr4jdUHq99lFrbgShXweKB642j0/Z9ChJsxMukY0OrlurkeqAQEYue0XRAcLk9H7Fvq8FUaN0Jr1DyhNeT1VsCLMFVh4yPc1g+9h4DErVniJVv0Zpqu4vTL54i+GAopdSn6fl02UsKIy11gOTz01gmYTy3AS9608uuu/OGm6Uv9LcG/+TFyBX5/EWXn/YLY1AMRrGSuGjYiZynIphfdzSpv3pY1e9ELc415DixAEFP7Eq2hx9bFB3qPn/XeOqZU1yyoO7mjwCvivjyDSRifhjDeW7CZLUcqspkRBENP/vIaDQPvxf0wYFRta1kdiqI/HF4Aexd0MUk9hfZI64k1aJCJuFQWS7m18qb6DRZR3ge5J8c51T/tgyQBOAqdVvYUQcXhn Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Tue, Aug 11, 2026 at 06:21:56PM +0100, Pedro Falcato wrote: > The current logic (allow up to $BURST prints per minute) can be entirely > replaced by the generic version in lib/ratelimit.c, used around the kernel. > > Do so. The only functional difference should be that the new logs will > read something like: > > KERN_WARNING "bad_page: %d callbacks suppressed\n", ... > > But that should be fine enough. > > Signed-off-by: Pedro Falcato Acked-by: Johannes Weiner