Re: Limit hash table size

Nick Piggin
2004-02-06T03:38:55Z

Andrew Morton wrote:

>Nick Piggin <piggin@cyberone.com.au> wrote:
>
>>>Was it a highmem box? If so, was the filesystem in question placing
>>>
>> >directory pagecache in highmem? If so, that was really bad on older 2.4:
>> >the directory pagecache in highmem pins down all directory inodes.
>> >
>> >
>>
>> 2.6.2-mm1 should fix this I think.
>>
>
>2.6.anything should fix it. It used to, anyway.
>
>
>> In particular, this hunk in vm-shrink-zone.patch
>>
>
>That's on the direct reclaim path - for sane workloads most of the freeing
>activity is via kswapd.
>
>
>

OK - he said the try to free pages path was being called but
maybe he didn't actually mean try_to_free_pages.