Re: [RFC V4] mm:add KPF_ZERO_PAGE flag for /proc/kpageflags

2014-12-08 Thread Kirill A. Shutemov
On Mon, Dec 08, 2014 at 10:00:50AM +0800, Wang, Yalin wrote: > This patch add KPF_ZERO_PAGE flag for zero_page, > so that userspace process can notice zero_page from > /proc/kpageflags, and then do memory analysis more accurately. > > Signed-off-by: Yalin Wang > --- > Documentation/vm/pagemap.tx

[RFC V4] mm:add KPF_ZERO_PAGE flag for /proc/kpageflags

2014-12-07 Thread Wang, Yalin
This patch add KPF_ZERO_PAGE flag for zero_page, so that userspace process can notice zero_page from /proc/kpageflags, and then do memory analysis more accurately. Signed-off-by: Yalin Wang --- Documentation/vm/pagemap.txt | 5 + fs/proc/page.c | 16 +++