Re: [v4 3/6] mm: uninitialized struct page poisoning sanity checking

2018-02-16 Thread Pavel Tatashin
OK, I will update the title. > > Please always start patch titles with a verb, i.e.: > > mm: Add uninitialized struct page poisoning sanity check OK, I will update the title.

Re: [v4 3/6] mm: uninitialized struct page poisoning sanity checking

2018-02-16 Thread Ingo Molnar
* Pavel Tatashin wrote: > During boot we poison struct page memory in order to ensure that no one is > accessing this memory until the struct pages are initialized in > __init_single_page(). > > This patch adds more scrutiny to this checking by making sure that flags > do not equal the poison p

[v4 3/6] mm: uninitialized struct page poisoning sanity checking

2018-02-15 Thread Pavel Tatashin
During boot we poison struct page memory in order to ensure that no one is accessing this memory until the struct pages are initialized in __init_single_page(). This patch adds more scrutiny to this checking by making sure that flags do not equal the poison pattern when they are accessed. The pat