Messages in this thread | | | Date | Fri, 23 May 2014 12:46:04 -0400 (EDT) | Subject | Re: skbuff truesize incorrect. | From | David Miller <> |
| |
From: Jim Baxter <jim_baxter@mentor.com> Date: Fri, 23 May 2014 10:21:19 +0100
> On 22/05/14 21:58, David Miller wrote: >> From: Jim Baxter <jim_baxter@mentor.com> >> Date: Thu, 22 May 2014 21:21:55 +0100 >> >>> If there are multiple clones for an skb all pointing at the same data, >>> will that distort the memory used when they all have the same truesize? >> >> What is distorted about it? >> >> Each clone references exactly that much backing memory. >> > > Thank you for you help, I think distorted was the wrong word. > > > I think I am confused what truesize is used for it looks like it is used > to deallocate memory, is this correct?
It's used to determine how much to charge sockets against their read and write memory limits.
| |