Hi Roman,
On Wed, May 15, 2019 at 8:51 AM Roman Gushchin <[email protected]> wrote: > > Vmalloc() is getting more and more used these days (kernel stacks, > bpf and percpu allocator are new top users), and the total % > of memory consumed by vmalloc() can be pretty significant > and changes dynamically. > > /proc/meminfo is the best place to display this information: > its top goal is to show top consumers of the memory. > > Since the VmallocUsed field in /proc/meminfo is not in use > for quite a long time (it has been defined to 0 by the > commit a5ad88ce8c7f ("mm: get rid of 'vmalloc_info' from > /proc/meminfo")), let's reuse it for showing the actual > physical memory consumption of vmalloc(). > > Signed-off-by: Roman Gushchin <[email protected]> > Acked-by: Johannes Weiner <[email protected]> > Acked-by: Vlastimil Babka <[email protected]> Acked-by: Minchan Kim <[email protected]> How it's going on? Android needs this patch since it has gathered vmalloc pages from /proc/vmallocinfo. It's too slow.
