The patch titled
Subject: mm-gup-sanity-check-with-config_debug_vm-that-anonymous-pages-are-exclusive-when-unpinning-fix
has been added to the -mm tree. Its filename is
mm-gup-sanity-check-with-config_debug_vm-that-anonymous-pages-are-exclusive-when-unpinning-fix.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-gup-sanity-check-with-config_debug_vm-that-anonymous-pages-are-exclusive-when-unpinning-fix.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-gup-sanity-check-with-config_debug_vm-that-anonymous-pages-are-exclusive-when-unpinning-fix.patch
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------------------------------------------------------
From: David Hildenbrand <david@xxxxxxxxxx>
Subject: mm-gup-sanity-check-with-config_debug_vm-that-anonymous-pages-are-exclusive-when-unpinning-fix
s/VM_BUG_ON/VM_BUG_ON_PAGE/, per Vlastimil
Link: https://lkml.kernel.org/r/31b37b7c-a969-eec2-bdff-a7e4dca9b770@xxxxxxxxxx
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/gup.c | 4 ++--
mm/huge_memory.c | 4 ++--
mm/hugetlb.c | 4 ++--
3 files changed, 6 insertions(+), 6 deletions(-)
--- a/mm/gup.c~mm-gup-sanity-check-with-config_debug_vm-that-anonymous-pages-are-exclusive-when-unpinning-fix
+++ a/mm/gup.c
@@ -564,8 +564,8 @@ retry:
goto out;
}
- VM_BUG_ON((flags & FOLL_PIN) && PageAnon(page) &&
- !PageAnonExclusive(page));
+ VM_BUG_ON_PAGE((flags & FOLL_PIN) && PageAnon(page) &&
+ !PageAnonExclusive(page), page);
/* try_grab_page() does nothing unless FOLL_GET or FOLL_PIN is set. */
if (unlikely(!try_grab_page(page, flags))) {
--- a/mm/huge_memory.c~mm-gup-sanity-check-with-config_debug_vm-that-anonymous-pages-are-exclusive-when-unpinning-fix
+++ a/mm/huge_memory.c
@@ -1392,8 +1392,8 @@ struct page *follow_trans_huge_pmd(struc
if (!pmd_write(*pmd) && gup_must_unshare(flags, page))
return ERR_PTR(-EMLINK);
- VM_BUG_ON((flags & FOLL_PIN) && PageAnon(page) &&
- !PageAnonExclusive(page));
+ VM_BUG_ON_PAGE((flags & FOLL_PIN) && PageAnon(page) &&
+ !PageAnonExclusive(page), page);
if (!try_grab_page(page, flags))
return ERR_PTR(-ENOMEM);
--- a/mm/hugetlb.c~mm-gup-sanity-check-with-config_debug_vm-that-anonymous-pages-are-exclusive-when-unpinning-fix
+++ a/mm/hugetlb.c
@@ -6100,8 +6100,8 @@ long follow_hugetlb_page(struct mm_struc
pfn_offset = (vaddr & ~huge_page_mask(h)) >> PAGE_SHIFT;
page = pte_page(huge_ptep_get(pte));
- VM_BUG_ON((flags & FOLL_PIN) && PageAnon(page) &&
- !PageAnonExclusive(page));
+ VM_BUG_ON_PAGE((flags & FOLL_PIN) && PageAnon(page) &&
+ !PageAnonExclusive(page), page);
/*
* If subpage information not requested, update counters
_
Patches currently in -mm which might be from david@xxxxxxxxxx are
mm-rmap-fix-missing-swap_free-in-try_to_unmap-after-arch_unmap_one-failed.patch
mm-hugetlb-take-src_mm-write_protect_seq-in-copy_hugetlb_page_range.patch
mm-memory-slightly-simplify-copy_present_pte.patch
mm-rmap-split-page_dup_rmap-into-page_dup_file_rmap-and-page_try_dup_anon_rmap.patch
mm-rmap-convert-rmap-flags-to-a-proper-distinct-rmap_t-type.patch
mm-rmap-remove-do_page_add_anon_rmap.patch
mm-rmap-pass-rmap-flags-to-hugepage_add_anon_rmap.patch
mm-rmap-drop-compound-parameter-from-page_add_new_anon_rmap.patch
mm-rmap-use-page_move_anon_rmap-when-reusing-a-mapped-pageanon-page-exclusively.patch
mm-huge_memory-remove-outdated-vm_warn_on_once_page-from-unmap_page.patch
mm-page-flags-reuse-pg_mappedtodisk-as-pg_anon_exclusive-for-pageanon-pages.patch
mm-remember-exclusively-mapped-anonymous-pages-with-pg_anon_exclusive.patch
mm-gup-disallow-follow_pagefoll_pin.patch
mm-support-gup-triggered-unsharing-of-anonymous-pages.patch
mm-support-gup-triggered-unsharing-of-anonymous-pages-fix.patch
mm-gup-trigger-fault_flag_unshare-when-r-o-pinning-a-possibly-shared-anonymous-page.patch
mm-gup-sanity-check-with-config_debug_vm-that-anonymous-pages-are-exclusive-when-unpinning.patch
mm-gup-sanity-check-with-config_debug_vm-that-anonymous-pages-are-exclusive-when-unpinning-fix.patch
mm-swap-remember-pg_anon_exclusive-via-a-swp-pte-bit.patch
mm-swap-remember-pg_anon_exclusive-via-a-swp-pte-bit-fix.patch
mm-debug_vm_pgtable-add-tests-for-__have_arch_pte_swp_exclusive.patch
x86-pgtable-support-__have_arch_pte_swp_exclusive.patch
x86-pgtable-support-__have_arch_pte_swp_exclusive-fix.patch
arm64-pgtable-support-__have_arch_pte_swp_exclusive.patch
s390-pgtable-cleanup-description-of-swp-pte-layout.patch
s390-pgtable-support-__have_arch_pte_swp_exclusive.patch
powerpc-pgtable-remove-_page_bit_swap_type-for-book3s.patch
powerpc-pgtable-support-__have_arch_pte_swp_exclusive-for-book3s.patch
