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authorAndrew Morton <akpm@linux-foundation.org>2023-10-19 00:32:58 +0300
committerAndrew Morton <akpm@linux-foundation.org>2023-10-19 00:32:58 +0300
commit5ef8f1b2b4d9bd02e4104b9255351fb9279b1b4e (patch)
tree415dc49e56338e498bff9a3b0c5b99b049890e14 /arch
parentb0540208a59e11ab55c9b857bf521d8846e515bf (diff)
parentfc7f04dc23db50206bee7891516ed4726c3f64cf (diff)
downloadlinux-5ef8f1b2b4d9bd02e4104b9255351fb9279b1b4e.tar.xz
Merge mm-hotfixes-stable into mm-stable to pick up depended-upon changes.
Diffstat (limited to 'arch')
-rw-r--r--arch/riscv/mm/fault.c2
-rw-r--r--arch/riscv/mm/hugetlbpage.c19
2 files changed, 14 insertions, 7 deletions
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c
index 6115d7514972..90d4ba36d1d0 100644
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -72,7 +72,7 @@ static inline void mm_fault_error(struct pt_regs *regs, unsigned long addr, vm_f
}
pagefault_out_of_memory();
return;
- } else if (fault & VM_FAULT_SIGBUS) {
+ } else if (fault & (VM_FAULT_SIGBUS | VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE)) {
/* Kernel mode? Handle exceptions or die */
if (!user_mode(regs)) {
no_context(regs, addr);
diff --git a/arch/riscv/mm/hugetlbpage.c b/arch/riscv/mm/hugetlbpage.c
index e4a2ace92dbe..b52f0210481f 100644
--- a/arch/riscv/mm/hugetlbpage.c
+++ b/arch/riscv/mm/hugetlbpage.c
@@ -183,15 +183,22 @@ void set_huge_pte_at(struct mm_struct *mm,
pte_t pte,
unsigned long sz)
{
+ unsigned long hugepage_shift;
int i, pte_num;
- if (!pte_napot(pte)) {
- set_pte_at(mm, addr, ptep, pte);
- return;
- }
+ if (sz >= PGDIR_SIZE)
+ hugepage_shift = PGDIR_SHIFT;
+ else if (sz >= P4D_SIZE)
+ hugepage_shift = P4D_SHIFT;
+ else if (sz >= PUD_SIZE)
+ hugepage_shift = PUD_SHIFT;
+ else if (sz >= PMD_SIZE)
+ hugepage_shift = PMD_SHIFT;
+ else
+ hugepage_shift = PAGE_SHIFT;
- pte_num = napot_pte_num(napot_cont_order(pte));
- for (i = 0; i < pte_num; i++, ptep++, addr += PAGE_SIZE)
+ pte_num = sz >> hugepage_shift;
+ for (i = 0; i < pte_num; i++, ptep++, addr += (1 << hugepage_shift))
set_pte_at(mm, addr, ptep, pte);
}