Re: [Qemu-devel] [PATCH] migration: drop MADVISE_DONT_NEED for incoming zero pages

2013-10-07 Thread Andreas Färber
Am 07.10.2013 11:22, schrieb Peter Lieven: > 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 s

Re: [Qemu-devel] [PATCH] migration: drop MADVISE_DONT_NEED for incoming zero pages

2013-10-07 Thread Paolo Bonzini
Il 07/10/2013 11:22, Peter Lieven ha scritto: > 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 memor