On 8/7/24 5:59 PM, Sasha Levin wrote:
On Tue, Aug 06, 2024 at 12:30:36PM -0700, Yang Shi wrote:
commit f442fa6141379a20b48ae3efabee827a3d260787 upstream
A kernel warning was reported when pinning folio in CMA memory when
launching SEV virtual machine. The splat looks like:
[snip]
This doesn't compile on 6.6...
Oops, CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD is not available on
arm64 (my build machine). It is also a problem for 6.9. Will send v2 soon.
mm/huge_memory.c: In function 'follow_devmap_pud':
mm/huge_memory.c:1213:8: error: implicit declaration of function
'try_grab_page'; did you mean 'try_get_page'?
[-Werror=implicit-function-declaration]
1213 | ret = try_grab_page(page, flags);
| ^~~~~~~~~~~~~
| try_get_page
