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/
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
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() calls
__collapse_huge_page_copy() -> .. -> copy_user_high
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