Re: [Qemu-devel] [PATCH v2 3/3] hostmem-file: Add "discard-data" option

2017-08-29 Thread Eduardo Habkost
On Tue, Aug 29, 2017 at 12:13:45PM +0100, Daniel P. Berrange wrote: > On Thu, Aug 24, 2017 at 04:23:15PM -0300, Eduardo Habkost wrote: > > The new option can be used to indicate that the file contents can > > be destroyed and don't need to be flushed to disk when QEMU exits > > or when the memory b

Re: [Qemu-devel] [PATCH v2 3/3] hostmem-file: Add "discard-data" option

2017-08-29 Thread Daniel P. Berrange
On Thu, Aug 24, 2017 at 04:23:15PM -0300, Eduardo Habkost wrote: > The new option can be used to indicate that the file contents can > be destroyed and don't need to be flushed to disk when QEMU exits > or when the memory backend object is removed. > > Internally, it will trigger a madvise(MADV_RE