The patch titled
Subject: mm-hugetlb-proc-check-for-hugetlb-shared-pmd-in-proc-pid-smaps-fix
has been added to the -mm mm-hotfixes-unstable branch. Its filename is
mm-hugetlb-proc-check-for-hugetlb-shared-pmd-in-proc-pid-smaps-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-hugetlb-proc-check-for-hugetlb-shared-pmd-in-proc-pid-smaps-fix.patch
This patch will later appear in the mm-hotfixes-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-hugetlb-proc-check-for-hugetlb-shared-pmd-in-proc-pid-smaps-fix
Date: Fri Jan 27 03:00:32 PM PST 2023
simplification, per David
Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: James Houghton <jthoughton@xxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxx>
Cc: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
Cc: Muchun Song <songmuchun@xxxxxxxxxxxxx>
Cc: Naoya Horiguchi <naoya.horiguchi@xxxxxxxxx>
Cc: Peter Xu <peterx@xxxxxxxxxx>
Cc: Vishal Moola (Oracle) <vishal.moola@xxxxxxxxx>
Cc: Yang Shi <shy828301@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/fs/proc/task_mmu.c~mm-hugetlb-proc-check-for-hugetlb-shared-pmd-in-proc-pid-smaps-fix
+++ a/fs/proc/task_mmu.c
@@ -745,18 +745,10 @@ static int smaps_hugetlb_range(pte_t *pt
page = pfn_swap_entry_to_page(swpent);
}
if (page) {
- int mapcount = page_mapcount(page);
-
- if (mapcount >= 2)
+ if (page_mapcount(page) >= 2 || hugetlb_pmd_shared(pte))
mss->shared_hugetlb += huge_page_size(hstate_vma(vma));
- else {
- if (hugetlb_pmd_shared(pte))
- mss->shared_hugetlb +=
- huge_page_size(hstate_vma(vma));
- else
- mss->private_hugetlb +=
- huge_page_size(hstate_vma(vma));
- }
+ else
+ mss->private_hugetlb += huge_page_size(hstate_vma(vma));
}
return 0;
}
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
mm-mremap-fix-mremap-expanding-for-vmas-with-vm_ops-close-checkpatch-fixes.patch
mm-hugetlb-proc-check-for-hugetlb-shared-pmd-in-proc-pid-smaps-fix.patch
mm-add-folio_add_new_anon_rmap-fix.patch
mm-remove-page_evictable-fix.patch
mm-remove-the-swap_readpage-return-value-fix.patch
block-remove-rw_page-fix.patch
mm-add-memcpy_from_file_folio-fix.patch
error-injection-remove-ei_etype_none-fix.patch
hfsplus-remove-unnecessary-variable-initialization-fix.patch
scripts-gdb-add-mm-introspection-utils-fix.patch
