4.19-stable review patch. If anyone has any objections, please let me know.
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From: Alexander Gordeev agordeev@linux.ibm.com
[ Upstream commit 3784231b1e091857bd129fd9658a8b3cedbdcd58 ]
Due to historical reasons mark_kernel_pXd() functions misuse the notion of physical vs virtual addresses difference.
Signed-off-by: Alexander Gordeev agordeev@linux.ibm.com Signed-off-by: Heiko Carstens hca@linux.ibm.com Stable-dep-of: 44d930452476 ("s390/cmma: fix detection of DAT pages") Signed-off-by: Sasha Levin sashal@kernel.org --- arch/s390/mm/page-states.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/s390/mm/page-states.c b/arch/s390/mm/page-states.c index dc3cede7f2ec9..5a0460b0fd6ae 100644 --- a/arch/s390/mm/page-states.c +++ b/arch/s390/mm/page-states.c @@ -118,7 +118,7 @@ static void mark_kernel_pmd(pud_t *pud, unsigned long addr, unsigned long end) next = pmd_addr_end(addr, end); if (pmd_none(*pmd) || pmd_large(*pmd)) continue; - page = virt_to_page(pmd_val(*pmd)); + page = phys_to_page(pmd_val(*pmd)); set_bit(PG_arch_1, &page->flags); } while (pmd++, addr = next, addr != end); } @@ -136,7 +136,7 @@ static void mark_kernel_pud(p4d_t *p4d, unsigned long addr, unsigned long end) if (pud_none(*pud) || pud_large(*pud)) continue; if (!pud_folded(*pud)) { - page = virt_to_page(pud_val(*pud)); + page = phys_to_page(pud_val(*pud)); for (i = 0; i < 3; i++) set_bit(PG_arch_1, &page[i].flags); } @@ -157,7 +157,7 @@ static void mark_kernel_p4d(pgd_t *pgd, unsigned long addr, unsigned long end) if (p4d_none(*p4d)) continue; if (!p4d_folded(*p4d)) { - page = virt_to_page(p4d_val(*p4d)); + page = phys_to_page(p4d_val(*p4d)); for (i = 0; i < 3; i++) set_bit(PG_arch_1, &page[i].flags); } @@ -179,7 +179,7 @@ static void mark_kernel_pgd(void) if (pgd_none(*pgd)) continue; if (!pgd_folded(*pgd)) { - page = virt_to_page(pgd_val(*pgd)); + page = phys_to_page(pgd_val(*pgd)); for (i = 0; i < 3; i++) set_bit(PG_arch_1, &page[i].flags); }