Messages in this thread | | | Date | Wed, 28 Apr 2021 08:33:38 +0200 | From | Michal Hocko <> | Subject | Re: [PATCH 2/2] ipc: use kmalloc for msg_queue and shmid_kernel |
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On Wed 28-04-21 08:15:10, Vasily Averin wrote: > On 4/26/21 1:25 PM, Michal Hocko wrote: > > Using kvmalloc for sub page size objects is suboptimal because kmalloc > > can easily fallback into vmalloc under memory pressure and smaller > > objects would fragment memory. Therefore replace kvmalloc by a simple > > kmalloc. > > I think you're wrong here: > kvmalloc can failback to vmalloc for size > PAGE_SIZE only
You are right. My bad. My memory failed on me. Sorry about the confusion. -- Michal Hocko SUSE Labs
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