A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 19:21:31 -04:00
Code Issues Projects Releases Packages Wiki Activity

mm/migrate.c: initialize pud_entry in migrate_vma()

Browse source 
When CONFIG_MIGRATE_VMA_HELPER is enabled, migrate_vma() calls
migrate_vma_collect() which initializes a struct mm_walk but didn't
initialize mm_walk.pud_entry.  (Found by code inspection) Use a C
structure initialization to make sure it is set to NULL.

Link: http://lkml.kernel.org/r/[email protected]
Fixes: 8763cb45ab ("mm/migrate: new memory migration helper for use with device memory")
Signed-off-by: Ralph Campbell <[email protected]>
Reviewed-by: John Hubbard <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Cc: "Jérôme Glisse" <[email protected]>
Cc: Mel Gorman <[email protected]>
Cc: <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Ralph Campbell 2019-08-02 21:49:08 -07:00 • committed by Linus Torvalds
commit 7b358c6f12
1 changed files with 7 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

17
mm/migrate.c
View file

@ -2340,16 +2340,13 @@ next:
static void migrate_vma_collect(struct migrate_vma *migrate)
{
struct mmu_notifier_range range;
struct mm_walk mm_walk;
mm_walk.pmd_entry = migrate_vma_collect_pmd;
mm_walk.pte_entry = NULL;
mm_walk.pte_hole = migrate_vma_collect_hole;
mm_walk.hugetlb_entry = NULL;
mm_walk.test_walk = NULL;
mm_walk.vma = migrate->vma;
mm_walk.mm = migrate->vma->vm_mm;
mm_walk.private = migrate;
struct mm_walk mm_walk = {
.pmd_entry = migrate_vma_collect_pmd,
.pte_hole = migrate_vma_collect_hole,
.vma = migrate->vma,
.mm = migrate->vma->vm_mm,
.private = migrate,
};
mmu_notifier_range_init(&range, MMU_NOTIFY_CLEAR, 0, NULL, mm_walk.mm,
migrate->start,