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b=av0rKnCAfoh9IWDyyUGpquUt99bYJqIsvKp3IcSy5SSgc9BmTXqumw9zj9wOajt3J 9DddRwouC7FG4GXXvohR0zc69Yt6zT+hegtgTrwiOCfz9TNcONwTFF3ur9AD0phAti 1A1ELq+Es+ypNdrpGi4JvMBja8Ms3VAFb2Ub2GitWhfL0wa0KluO3zmrW3Z9wHO2Vo C86yy7AwlJfThTdsHFhahtZ1CvimiQWL6ATdIiK62VT0htJ8iutVYtGENhk1l0dzWv BamaW8Z4uyQ1pBGFuLuDkJ3Yjrsqn+ZZ/Aaez16A8xzfxNudrRydcaDbbMWB8RZj+r 6gOgRyxBpM2FA== Date: Fri, 16 May 2025 10:28:41 +0200 From: Danilo Krummrich To: Kees Cook Cc: Andrew Morton , Shung-Hsi Yu , Eduard Zingerman , Pawan Gupta , Uladzislau Rezki , Erhard Furtner , linux-kernel@vger.kernel.org, linux-mm@kvack.org, bpf@vger.kernel.org, linux-hardening@vger.kernel.org Subject: Re: [PATCH 0/2] mm: vmalloc: Actually use the in-place vrealloc region Message-ID: References: <20250515214020.work.519-kees@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250515214020.work.519-kees@kernel.org> X-Stat-Signature: a6yq35iuax4hd7r7ue5njr1sp9mzrzwe X-Rspam-User: X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: EA731A0002 X-HE-Tag: 1747384127-433905 X-HE-Meta: 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 HTo9ivjO U/sfOnJZtM6/weiPQI2vt9haQClK1DlerulEaKh6SGWJs7avEDdlaViGlZAnVU1YuHoel2ZOdIz+mf81Nro6VIScBTXHwC7z58OKp7BMRo5dYcirLChqU3xE5awfnyflCTSMV/4zzuL3MJC7HOUT6Z8mmz8k7G7/blnsWuCnfkOjBuphbnOei2PvuDPBUa3zfwm4O3S2qktpplEXleYtBbnJBhZjRPgSaqHf8gaSql0zGxyOMjYCeQuFWYust+DEB2r8juhPQ41Ezjm2QqP2f2tME1A== 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, May 15, 2025 at 02:42:14PM -0700, Kees Cook wrote: > Hi, > > This fixes a performance regression[1] with vrealloc(). This needs to > get into v6.15, which is where the regression originates, and then it'll > get backport to the -stable releases as well. Reviewed-by: Danilo Krummrich