Messages in this thread | | | Subject | Re: [PATCH v3] ipc,shm: disable shmmax and shmall by default | From | Davidlohr Bueso <> | Date | Fri, 18 Apr 2014 09:33:32 -0700 |
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On Fri, 2014-04-18 at 11:26 +0200, Manfred Spraul wrote: > Hi Davidlohr, > > On 04/18/2014 03:25 AM, Davidlohr Bueso wrote: > > So a value of 0 bytes or pages, for shmmax and shmall, respectively, > > implies unlimited memory, as opposed to disabling sysv shared memory. > That might be a second risk: > Right now, a sysadmin can prevent sysv memory allocations with > > # sysctl kernel.shmall=0
Yeah, I had pointed this out previously, and it is addressed in the changelog. shmall = 0 directly contradicts size < shmmin = 1, so I don't know who's wrong there...
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