On Wed, Oct 24, 2001 at 07:37:26PM -0400, Robert Love wrote:
> On Wed, 2001-10-24 at 19:27, Mart?n Marqu?s wrote:
> > [...]
> > ------ Shared Memory Segments --------
> > key shmid owner perms bytes nattch status
> > 0x00000000 65536 nobody 600 46084 11 dest
> > [...]
> > I can see 46084 bytes in shared memory used by the apache.
> > Am I wrong?
>
> Nope. Applications know how much the are sharing because they can
> easily see what region of memory is shared/mapped into their's.
>
> The reason the kernel can't figure out the net shared memory is because
> there is no simple way -- it has to add up the shared regions of all
> applications, counting each shared segment only once. Too much work.
>
Actually, if it's done in the COW code, you could quite possibly get most of
it right there...
Does anyone know of something that can make use of the shmem accting?
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This archive was generated by hypermail 2b29 : Wed Oct 31 2001 - 21:00:23 EST