Re: [PATCH 1/1] mm/page_ext: remove unnecessary stack_trace field

2015-01-28 Thread Sergei Rogachev
On Tue, 27 Jan 2015 14:43:19 -0800 Andrew Morton wrote: > On Tue, 27 Jan 2015 00:52:12 +0300 Sergei Rogachev > wrote: > > > Page owner uses the page_ext structure to keep meta-information > > for every page in the system. The structure also contains a field > > of type 'struct stack_trace', pa

Re: [PATCH 1/1] mm/page_ext: remove unnecessary stack_trace field

2015-01-27 Thread Andrew Morton
On Tue, 27 Jan 2015 00:52:12 +0300 Sergei Rogachev wrote: > Page owner uses the page_ext structure to keep meta-information > for every page in the system. The structure also contains a field > of type 'struct stack_trace', page owner uses this field during > invocation of the function save_stac

Re: [PATCH 1/1] mm/page_ext: remove unnecessary stack_trace field

2015-01-27 Thread Joonsoo Kim
On Tue, Jan 27, 2015 at 12:52:12AM +0300, Sergei Rogachev wrote: > Page owner uses the page_ext structure to keep meta-information > for every page in the system. The structure also contains a field > of type 'struct stack_trace', page owner uses this field during > invocation of the function save_

[PATCH 1/1] mm/page_ext: remove unnecessary stack_trace field

2015-01-26 Thread Sergei Rogachev
Page owner uses the page_ext structure to keep meta-information for every page in the system. The structure also contains a field of type 'struct stack_trace', page owner uses this field during invocation of the function save_stack_trace. It is easy to notice that keeping a copy of this structure f