Re: [PATCH RFC v3 31/35] khugepaged: arm64: Don't collapse MTE enabled VMAs

2024-02-01 Thread Alexandru Elisei
On Thu, Feb 01, 2024 at 01:42:08PM +0530, Anshuman Khandual wrote: > > > On 1/25/24 22:12, Alexandru Elisei wrote: > > copy_user_highpage() will do memory allocation if there are saved tags for > > the destination page, and the page is missing tag storage. > > > > After commit a349d72fd9ef ("mm/

Re: [PATCH RFC v3 31/35] khugepaged: arm64: Don't collapse MTE enabled VMAs

2024-02-01 Thread Anshuman Khandual
On 1/25/24 22:12, Alexandru Elisei wrote: > copy_user_highpage() will do memory allocation if there are saved tags for > the destination page, and the page is missing tag storage. > > After commit a349d72fd9ef ("mm/pgtable: add rcu_read_lock() and > rcu_read_unlock()s"), collapse_huge_page() ca