Ray Fucillo wrote:
I am seeing process creation time increase linearly with the size of the
shared memory segment that the parent touches. The attached forktest.c
is a very simple user program that illustrates this behavior, which I
have tested on various kernel versions from 2.4 through 2.6. Is this a
known issue, and is it solvable?
fork() can be changed so as not to set up page tables for
MAP_SHARED mappings. I think that has other tradeoffs like
initially causing several unavoidable faults reading
libraries and program text.
What kind of application are you using?
--
SUSE Labs, Novell Inc.
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