Re: [PATCH v3 2/2] mm: remove odd HAVE_PTE_SPECIAL
From: Michal Hocko <mhocko@kernel.org>
Date: 2018-04-11 08:33:23
Also in:
linux-arm-kernel, linux-doc, linux-mm, linux-riscv, linux-sh, lkml, sparclinux
On Wed 11-04-18 10:03:36, Laurent Dufour wrote:
quoted hunk ↗ jump to hunk
@@ -881,7 +876,8 @@ struct page *_vm_normal_page(struct vm_area_struct *vma, unsigned long addr, if (is_zero_pfn(pfn)) return NULL; -check_pfn: + +check_pfn: __maybe_unused if (unlikely(pfn > highest_memmap_pfn)) { print_bad_pte(vma, addr, pte, NULL); return NULL;@@ -891,7 +887,7 @@ struct page *_vm_normal_page(struct vm_area_struct *vma, unsigned long addr, * NOTE! We still have PageReserved() pages in the page tables. * eg. VDSO mappings can cause them to exist. */ -out: +out: __maybe_unused return pfn_to_page(pfn);
Why do we need this ugliness all of the sudden? -- Michal Hocko SUSE Labs