On Sat, 9 Apr 2011, Sasha Levin wrote:
+struct disk_image *disk_image__new(int fd, uint64_t size)
+{
+ struct disk_image *self;
+
+ self = malloc(sizeof *self);
+ if (!self)
+ return NULL;
+
+ self->fd = fd;
+ self->size = size;
+ self->priv = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_PRIVATE |
MAP_NORESERVE, fd, 0);
This needs to be MAP_SHARED to preserve the same semantics. Does it still
show a performance improvement if you change it?
Pekka
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