Re: limits / PIPE_BUF?

From: Vadim Lobanov
Date: Thu May 04 2006 - 13:54:39 EST


On Thu, 4 May 2006, Arjan van de Ven wrote:

> On Thu, 2006-05-04 at 09:39 -0700, Vadim Lobanov wrote:
> > How does the kernel
> > code ensure that this value is honored, considering that PIPE_BUF is
> > not
> > referenced in any of the pipe code?
>
>
> the kernel implementation guarantees one page basically, and on all
> architectures that I know of that's at least 4096 bytes
>

Alright, so sounds like this constant should remain inside the
include/linux/limits.h file. What about #defining it to be equal to
PAGE_SIZE, like ARM (include/linux-arm/limits.h, for example) does?

- Vadim Lobanov
-
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