lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Fri, 21 Mar 2014 12:06:19 +0530 From: ratheesh kannoth <ratheesh.ksz@...il.com> To: Eric Dumazet <eric.dumazet@...il.com> Cc: netdev <netdev@...r.kernel.org> Subject: Re: alloc_skb from huge memory On Fri, Mar 21, 2014 at 10:44 AM, Eric Dumazet <eric.dumazet@...il.com> wrote: > On Fri, 2014-03-21 at 10:21 +0530, ratheesh kannoth wrote: >> alloc_skb does allocation from slub. memory slab could be >> kmalloc_1024 or kmalloc_512 ( And there is no skb slab. i could not >> find in /proc/slabinfo ). >> >> Is there any way to allocate skb from huge memory or pre allocated pages ? > > What would be the usage ? > > In the kernel, almost all memory is mapped to huge pages anyway. > > $ tail -3 /proc/meminfo > DirectMap4k: 4096 kB > DirectMap2M: 2084864 kB > DirectMap1G: 266338304 kB > my bad. it is huge pages( what i meant is huge pages; not huge memory ). I would like to mmap and use. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists