Re: exit_mmap()

[Russell King - ARM Linux <linux@arm.linux.org.uk>]

(About 2.4 kernels)

Adam 'WeirdArms' Wiggins writes:
> The function exit_mmap() in linux/mm/mmap.c does something that I can't
> figure. The function as far as I can tell loops on each vm_area_struct of
> the mm_struct to tear them down. What I don't understand is that while
> doing this if calls flush_cache_range() on the range covered by the
> vm_area_struct. exit_mmap() is called by exec_mmap() in linux/fs/exec.c
> (which calls flush_cache_mm() before exit_mmap() already) and by 
> mmput() in linux/kernel/fork.c
> 
> Why does exit_mmap() not just call flush_cache_mm() before the while
> loop?

I've CC:'d this to the linux-mm list, and taken the linux-arm-kernel off
the CC: list.

People on linux-mm: please note that neither Adam nor myself are subscribed
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