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[180.214.232.17]) by smtp.gmail.com with ESMTPSA id y18-20020aa78052000000b005a8bf239f5csm2339589pfm.193.2023.03.14.20.59.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Mar 2023 20:59:57 -0700 (PDT) Received: by debian.me (Postfix, from userid 1000) id 2BE6A106195; Wed, 15 Mar 2023 10:59:53 +0700 (WIB) Date: Wed, 15 Mar 2023 10:59:53 +0700 From: Bagas Sanjaya To: Stefan Roesch , kernel-team@fb.com Cc: linux-mm@kvack.org, riel@surriel.com, mhocko@suse.com, david@redhat.com, linux-doc@vger.kernel.org, akpm@linux-foundation.org, hannes@cmpxchg.org Subject: Re: [PATCH v1] docs/mm: extend ksm doc Message-ID: References: <20230314204557.3863923-1-shr@devkernel.io> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="wIjEjcYmUcp0YvzG" Content-Disposition: inline In-Reply-To: <20230314204557.3863923-1-shr@devkernel.io> Precedence: bulk List-ID: X-Mailing-List: linux-doc@vger.kernel.org --wIjEjcYmUcp0YvzG Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Mar 14, 2023 at 01:45:57PM -0700, Stefan Roesch wrote: > +to cancel that advice and restore unshared pages: whereupon KSM > +unmerges whatever is merged for that process. Note: this unmerging call > +may suddenly require more memory than is available - possibly failing > +with EAGAIN, but more probably arousing the Out-Of-Memory killer. "... to disable KSM and let it unmerges ... . Note that this unmerging call may exhaust memory and triggers OOM killer." > +However, if the system is dedicated to running multiple jobs within the > +same security domain, there is a usecase where multiple instances of the > +same job are running inside a safe shared security domain and using the > +same sensitive data. "... it is possible for multiple instances ... and share the same sensitive data." Thanks.=20 --=20 An old man doll... just what I always wanted! - Clara --wIjEjcYmUcp0YvzG Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQSSYQ6Cy7oyFNCHrUH2uYlJVVFOowUCZBFCtQAKCRD2uYlJVVFO ozI4AP9P9tfkdCTSJfH9gecQ8XguWY64xBRZzCAO9aruksa3dwEAml1J1hNvucA/ L7hhjcsKXkv6rW/TFH3/CVkLzxIFnw4= =FJct -----END PGP SIGNATURE----- --wIjEjcYmUcp0YvzG--