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a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778518120; bh=QQGKCQXAtFFxjOd54vbilU9n1JNF7kVa2ekxD5peAds=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=K5XIpmrIAV/EGwIzcIzruPImlbD5rxQPu7qAr+y4fWfSrVRzeAUiPf0NmgswdXG8q UEhHoDOyTtOUgWhO6lVxIZ7X1xlIp/Fa5itBYE/YcMMWo5DRg5qerGQTFtNGwoADkn xta5TMHWThbryariRnvp3CDvuri4wcDfS/qG+e/mUHrR2qg3ZeagEIhg/hfAeBJUtX n4VxRiB0SufY4hZXWTbw957xB7AWNqygka1jMpQwuT2tF14af+A3M81ANr9x4SYRe2 0XBpI8tLpYzDK6ci9Cp8EobEiY6fpRIN/YXN2BYe5UNdPQEoJhgEU9egOzVtFDTgIT Oh1jbHOfE7Ldg== From: Pratyush Yadav To: Mike Rapoport Cc: Pratyush Yadav , Pasha Tatashin , Alexander Graf , Muchun Song , Oscar Salvador , David Hildenbrand , Andrew Morton , Jason Miu , kexec@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 11/12] kho: return virtual address of mem_map In-Reply-To: (Mike Rapoport's message of "Mon, 11 May 2026 15:13:00 +0300") References: <20260429133928.850721-1-pratyush@kernel.org> <20260429133928.850721-12-pratyush@kernel.org> Date: Mon, 11 May 2026 18:48:37 +0200 Message-ID: <2vxza4u5c2oq.fsf@kernel.org> User-Agent: Gnus/5.13 (Gnus v5.13) MIME-Version: 1.0 Content-Type: text/plain X-Stat-Signature: zprhco8ku6sphfqf88r38pbea1mr7a99 X-Rspam-User: X-Rspamd-Queue-Id: 0746F18000B X-Rspamd-Server: rspam07 X-HE-Tag: 1778518121-338453 X-HE-Meta: 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 gXYl0xXK ogTUJAdLX43UcHeIgFm1/TEVlCj2FlC2sqns4GejlpDYWshN0fdmWAxqCUSCvuU+AVcWdJUF9mZ2PBsdnbAiiMQxWnP6AqR/mcGIXru9AmwDRArkShYQQoP2narYXJ6i06M1YlYiBX9TdQukPOFlg8oOAizvrJhouXXTYSC/nTcmGb57AsplOpF2tZjUkhdgZHr7BBLRxFw97OaPH1osV/dCNfnOSoAtmTSOObLeYD+QiNwdsWEOVFuN+3w== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, May 11 2026, Mike Rapoport wrote: > On Wed, Apr 29, 2026 at 03:39:13PM +0200, Pratyush Yadav wrote: >> From: "Pratyush Yadav (Google)" >> >> There are currently 3 callers of kho_get_mem_map_phys(). Two of them, >> kho_mem_retrieve() and kho_extend_scratch() need the virtual address. >> The third, kho_populate() doesn't care. Make things simpler by >> directly returning the virtual address. Rename kho_get_mem_map_phys() to >> kho_get_mem_map() to accurately reflect what it returns. > > This should be moved earlier, before replacing open-coded get_mem_map() > with a call to kho_get_mem_map_phys(). Do you mean move it before patch 2 "kho: store incoming radix tree in kho_in"? I can do that. I did it this way to show a clear need for this function, but I don't mind doing it as a preparatory step. > >> Signed-off-by: Pratyush Yadav (Google) >> --- >> kernel/liveupdate/kexec_handover.c | 28 +++++++++++++++------------- >> 1 file changed, 15 insertions(+), 13 deletions(-) -- Regards, Pratyush Yadav