twalberg@mindspring.com said:
> mlockall() only locks those pages that are **currently** paged in, or
> optionally those that will be paged in in the future. Unless you have
> a way to make sure that all pages of the binary are actually in memory
> before you call mlockall(), this gains you nothing.
No, mlockall will page in the entire process before returning if you ask it to.
See this snippet in mlock_fixup:
if (newflags & VM_LOCKED) {
pages = -pages;
make_pages_present(start, end);
}
VM_LOCKED comes in through the mlockall system call.
Jeff
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This archive was generated by hypermail 2b29 : Fri Dec 07 2001 - 21:00:31 EST