On 6/22/07, Vaidyanathan Srinivasan [off-list ref] wrote:

Merging both limits will eliminate the issue, however we would need
individual limits for pagecache and RSS for better control.  There are
use cases for pagecache_limit alone without RSS_limit like the case of
database application using direct IO, backup applications and
streaming applications that does not make good use of pagecache.

If streaming applications would otherwise litter the pagecache with
unwanted data, then limiting their total memory footprint (with a
single limit) and forcing them to drop old data sooner sounds like a
great idea.

Paul

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