Re: [PATCH v2 0/4] debug_pagealloc improvements through page_owner

2019-09-20 Thread Andrew Morton
On Thu, 22 Aug 2019 16:03:44 -0700 Andrew Morton wrote: > On Tue, 20 Aug 2019 15:18:24 +0200 Vlastimil Babka wrote: > > > v2: also fix THP split handling (added Patch 1) per Kirill > > > > The debug_pagealloc functionality serves a similar purpose on the page > > allocator level that

Re: [PATCH v2 0/4] debug_pagealloc improvements through page_owner

2019-08-22 Thread Andrew Morton
On Tue, 20 Aug 2019 15:18:24 +0200 Vlastimil Babka wrote: > v2: also fix THP split handling (added Patch 1) per Kirill > > The debug_pagealloc functionality serves a similar purpose on the page > allocator level that slub_debug does on the kmalloc level, which is to detect > bad users. One

[PATCH v2 0/4] debug_pagealloc improvements through page_owner

2019-08-20 Thread Vlastimil Babka
v2: also fix THP split handling (added Patch 1) per Kirill The debug_pagealloc functionality serves a similar purpose on the page allocator level that slub_debug does on the kmalloc level, which is to detect bad users. One notable feature that slub_debug has is storing stack traces of who last