On 24.10.2013 12:07, Juan Quintela wrote:
Peter Lieven p...@kamp.de wrote:
The madvise for zeroed out pages was introduced when every transferred
zero page was memset to zero and thus allocated. Since commit
211ea740 we check for zeroness of a target page before we memset
it to zero.
The comments of ram_handle_compressed needs to be changed accordingly,
Do not memset pages to zero if they already read as zero to avoid allocating
zero pages and consuming memory unnecessarily.
Thanks,
Zhang Haoyu
The madvise for zeroed out pages was introduced when every transferred
zero
The madvise for zeroed out pages was introduced when every transferred
zero page was memset to zero and thus allocated. Since commit
211ea740 we check for zeroness of a target page before we memset
it to zero. Additionally we memmap target memory so it is essentially
zero initialized (except for
Peter Lieven p...@kamp.de wrote:
The madvise for zeroed out pages was introduced when every transferred
zero page was memset to zero and thus allocated. Since commit
211ea740 we check for zeroness of a target page before we memset
it to zero. Additionally we memmap target memory so it is
