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b=md/ZoUqoMuej1otNTGLYmdLdumoERQF8bZmktgIKPr0kNELfPrntIvfJ5CFXXO+Ql 6OX3z3vBLZfFcxLfo3UUroNo9ByGRnUfst5ej1suJPhH9IDOAyZMEb4ap3wpzmtfM0 1wAL2wKk6oCKVGCjgl+KVviSnIWQSNIfVGy2rlQI= Date: Sun, 3 May 2026 09:50:50 -0700 From: Andrew Morton To: Fujunjie Cc: Lorenzo Stoakes , linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, sj@kernel.org Subject: Re: [PATCH v2] mm/madvise: reject invalid process_madvise() advice for zero-length vectors Message-Id: <20260503095050.93736c201548e71d7d0f4210@linux-foundation.org> In-Reply-To: References: X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 52650C0002 X-Stat-Signature: kujaq5thpm794igmz9h9jbodqfjauk7w X-Rspam-User: X-HE-Tag: 1777827055-20213 X-HE-Meta: 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 DlYntcgc 6IJTy2WFPh7vDa4KS8zAlnHPARWRIn289Qq/eS4q1ji/jg43P/6W3zXJheGQULOjcqE8R7sMfLeONpcPvYBjK+pWiNg7SbgOpEdjFzgkEhTAJ1X87ixoEdjA6TXR4Um3RGjj9DmvadPyG7BfIJgPtq+7PABjKk7TTbBRiNlLNkhxi0qDhgMbBnbc01pueiR5aHgCMv/xuTiOr4vBG51u2bePJcL5fZoTA0maRhySNyETy8AXvUYuEH0f7WxPAp9peMzRBrwV1eKGWWg0KCJgo/YI7sxN3n3CaireoZaNdvTijtGiYoGyLxGVdEJgdji8hSp3/ Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Mon, 4 May 2026 00:45:16 +0800 Fujunjie wrote: > > /* > > * An madvise operation is attempting to restart the syscall, > > * but we cannot proceed as it would not be correct to repeat > > -- > > 2.54.0 > > Thanks, Lorenzo. That looks clearer to me too. > > Since this is already in mm-unstable, That's OK - it's called "unstable" for a reason! Things come in, things get removed, things get changed. All the time. > I'll wait for Andrew's preference. > If a respin is needed, I'll fold this in together with SJ's comments. Please prepare a v3 in the usual fashion.