Messages in this thread Patch in this message | | | Subject | [PATCH 07/10] mm: pagewalk: kill check for hugetlbfs inside /proc pagemap code | From | Dave Hansen <> | Date | Mon, 02 Jun 2014 14:36:53 -0700 |
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From: Dave Hansen <dave.hansen@linux.intel.com>
The page map code does not call the normal handlers for hugetlbfs areas. They are handled by ->hugetlb_entry exclusively, so remove the check for it.
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> ---
b/fs/proc/task_mmu.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff -puN fs/proc/task_mmu.c~do-not-check-for-hugetlbfs-inside-pagemap-walker fs/proc/task_mmu.c --- a/fs/proc/task_mmu.c~do-not-check-for-hugetlbfs-inside-pagemap-walker 2014-06-02 14:20:20.693870160 -0700 +++ b/fs/proc/task_mmu.c 2014-06-02 14:20:20.697870340 -0700 @@ -1033,8 +1033,7 @@ static int pagemap_pte_range(pmd_t *pmd, /* check that 'vma' actually covers this address, * and that it isn't a huge page vma */ - if (vma && (vma->vm_start <= addr) && - !is_vm_hugetlb_page(vma)) { + if (vma && (vma->vm_start <= addr)) { pte = pte_offset_map(pmd, addr); pte_to_pagemap_entry(&pme, pm, vma, addr, *pte); /* unmap before userspace copy */ _
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