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Thu, 22 Jan 2026 11:35:52 -0800 (PST) MIME-Version: 1.0 References: <20260116165416.1262531-1-pratyush@kernel.org> In-Reply-To: <20260116165416.1262531-1-pratyush@kernel.org> From: Pasha Tatashin Date: Thu, 22 Jan 2026 14:35:15 -0500 X-Gm-Features: AZwV_QhXxubGRdqSX0oxMXkz26trejH0_IxVvQl1zrw9g2D_bxj_PjBh-rntby4 Message-ID: Subject: Re: [PATCH] kho: print which scratch buffer failed to be reserved To: Pratyush Yadav Cc: Andrew Morton , Alexander Graf , Mike Rapoport , kexec@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Samiullah Khawaja , David Matlack , Jason Miu Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam10 X-Rspamd-Queue-Id: E15BC2000D X-Stat-Signature: ipknmj4yceqzacjgnypinw35mcg9jni9 X-Rspam-User: X-HE-Tag: 1769110553-755421 X-HE-Meta: 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 XBozmAiz 8O9lAJC6v/ro7vTSASyVbFH2CPli/t7PYcpRnqwae9Oxt8J/Fz9fHl9gR4XMwBBqz0oOID8y6q7CLhWa/K0x9H0L/+JW/ucWUWU8aqvN3erdIoikhrSgcCiYT21LfFzIliJ5bqEsSTQO4CxPx5WdFW20gWUrqEPmLbNhD9ry6cLQd+W/Wr8vttSnCMalyhdQr4F3Hr1bpzF+PLg52jHaSJpvuOJf97g7ab7H2EAU0FadLKuFuiHz9UcGhcFikHavC3QFsBwD7mY2BOwjKuZcu+8LJNiT/JKUlJzhrPZdmMAk/gI6/6Un3JyyhH4pAco3Kckzd7KyBZ5EIgZ0mF6WqDIwsAvt4kAFvuztwfw4jbWD2DtHhw1Jq75tWLgHPNj1yb5Y56Uk8FdR6TO7qA/a5bzD/lw== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000002, 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 Fri, Jan 16, 2026 at 11:54=E2=80=AFAM Pratyush Yadav wrote: > > From: "Pratyush Yadav (Google)" > > When scratch area fails to reserve, KHO prints a message indicating > that. But it doesn't say which scratch failed to allocate. This can be > useful information for debugging. Even more so when the failure is hard > to reproduce. > > Along with the current message, also print which exact scratch area > failed to be reserved. > > Signed-off-by: Pratyush Yadav (Google) Reviewed-by: Pasha Tatashin