The patch titled
Subject: clear_refs: introduce private struct for mm_walk
has been added to the -mm tree. Its filename is
clear_refs-introduce-private-struct-for-mm_walk.patch
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------------------------------------------------------
From: Pavel Emelyanov <xemul@xxxxxxxxxxxxx>
Subject: clear_refs: introduce private struct for mm_walk
In the next patch the clear-refs-type will be required in
clear_refs_pte_range funciton, so prepare the walk->private to carry this
info.
Signed-off-by: Pavel Emelyanov <xemul@xxxxxxxxxxxxx>
Cc: Matt Mackall <mpm@xxxxxxxxxxx>
Cc: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxxxxxx>
Cc: Glauber Costa <glommer@xxxxxxxxxxxxx>
Cc: Marcelo Tosatti <mtosatti@xxxxxxxxxx>
Cc: KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/task_mmu.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff -puN fs/proc/task_mmu.c~clear_refs-introduce-private-struct-for-mm_walk fs/proc/task_mmu.c
--- a/fs/proc/task_mmu.c~clear_refs-introduce-private-struct-for-mm_walk
+++ a/fs/proc/task_mmu.c
@@ -695,10 +695,15 @@ enum clear_refs_types {
CLEAR_REFS_LAST,
};
+struct clear_refs_private {
+ struct vm_area_struct *vma;
+};
+
static int clear_refs_pte_range(pmd_t *pmd, unsigned long addr,
unsigned long end, struct mm_walk *walk)
{
- struct vm_area_struct *vma = walk->private;
+ struct clear_refs_private *cp = walk->private;
+ struct vm_area_struct *vma = cp->vma;
pte_t *pte, ptent;
spinlock_t *ptl;
struct page *page;
@@ -753,13 +758,16 @@ static ssize_t clear_refs_write(struct f
return -ESRCH;
mm = get_task_mm(task);
if (mm) {
+ struct clear_refs_private cp = {
+ };
struct mm_walk clear_refs_walk = {
.pmd_entry = clear_refs_pte_range,
.mm = mm,
+ .private = &cp,
};
down_read(&mm->mmap_sem);
for (vma = mm->mmap; vma; vma = vma->vm_next) {
- clear_refs_walk.private = vma;
+ cp.vma = vma;
if (is_vm_hugetlb_page(vma))
continue;
/*
_
Patches currently in -mm which might be from xemul@xxxxxxxxxxxxx are
linux-next.patch
clear_refs-sanitize-accepted-commands-declaration.patch
clear_refs-sanitize-accepted-commands-declaration-fix.patch
clear_refs-introduce-private-struct-for-mm_walk.patch
pagemap-introduce-pagemap_entry_t-without-pmshift-bits.patch
pagemap-introduce-the-proc-pid-pagemap2-file.patch
mm-soft-dirty-bits-for-user-memory-changes-tracking.patch
ptrace-add-ability-to-retrieve-signals-without-removing-from-a-queue-v4.patch
selftest-add-a-test-case-for-ptrace_peeksiginfo.patch
kernel-sysc-make-prctlpr_set_mm-generally-available.patch
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