On 27.01.21 12:51, Oscar Salvador wrote:
On Tue, Jan 26, 2021 at 07:21:13PM +0100, David Hildenbrand wrote:
adjust_managed_page_count() as called by free_reserved_page() properly handles pages in a highmem zone, so we can reuse it for free_highmem_page().
We can now get rid of totalhigh_pages_inc() and simplify free_reserved_page().
Cc: Andrew Morton akpm@linux-foundation.org Cc: Thomas Gleixner tglx@linutronix.de Cc: "Peter Zijlstra (Intel)" peterz@infradead.org Cc: Mike Rapoport rppt@kernel.org Cc: Oscar Salvador osalvador@suse.de Cc: Michal Hocko mhocko@kernel.org Cc: Wei Yang richard.weiyang@linux.alibaba.com Signed-off-by: David Hildenbrand david@redhat.com
Reviewed-by: Oscar Salvador osalvador@suse.de
+#define free_highmem_page(page) free_reserved_page(page)
Should we place that under #ifdef CONFIG_HIGHMEM to make clear that it is only used on that config? Maybe the #ifdefery ugliness does not pay off.
Yeah, most probably not worth it.