From: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxx>
---
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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