ksm.c (d85ddd1318e66c0c2665dbfcbc21a8b66c9152aa) ksm.c (12564485ed8caac3c18572793ec01330792c7191)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Memory merging support.
4 *
5 * This code enables dynamic sharing of identical pages found in different
6 * memory areas, even if they are not shared by fork()
7 *
8 * Copyright (C) 2008-2009 Red Hat, Inc.

--- 2439 unchanged lines hidden (view full) ---

2448 if (*vm_flags & (VM_MERGEABLE | VM_SHARED | VM_MAYSHARE |
2449 VM_PFNMAP | VM_IO | VM_DONTEXPAND |
2450 VM_HUGETLB | VM_MIXEDMAP))
2451 return 0; /* just ignore the advice */
2452
2453 if (vma_is_dax(vma))
2454 return 0;
2455
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Memory merging support.
4 *
5 * This code enables dynamic sharing of identical pages found in different
6 * memory areas, even if they are not shared by fork()
7 *
8 * Copyright (C) 2008-2009 Red Hat, Inc.

--- 2439 unchanged lines hidden (view full) ---

2448 if (*vm_flags & (VM_MERGEABLE | VM_SHARED | VM_MAYSHARE |
2449 VM_PFNMAP | VM_IO | VM_DONTEXPAND |
2450 VM_HUGETLB | VM_MIXEDMAP))
2451 return 0; /* just ignore the advice */
2452
2453 if (vma_is_dax(vma))
2454 return 0;
2455
2456#ifdef VM_SAO
2457 if (*vm_flags & VM_SAO)
2458 return 0;
2459#endif
2456#ifdef VM_SPARC_ADI
2457 if (*vm_flags & VM_SPARC_ADI)
2458 return 0;
2459#endif
2460
2461 if (!test_bit(MMF_VM_MERGEABLE, &mm->flags)) {
2462 err = __ksm_enter(mm);
2463 if (err)

--- 758 unchanged lines hidden --- 		2460#ifdef VM_SPARC_ADI
2461 if (*vm_flags & VM_SPARC_ADI)
2462 return 0;
2463#endif
2464
2465 if (!test_bit(MMF_VM_MERGEABLE, &mm->flags)) {
2466 err = __ksm_enter(mm);
2467 if (err)

--- 758 unchanged lines hidden ---