The patch titled
Subject: mm/migrate: remove useless mask of start address
has been removed from the -mm tree. Its filename was
mm-migrate-remove-useless-mask-of-start-address.patch
This patch was dropped because it was merged into mainline or a subsystem tree
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From: Ralph Campbell <rcampbell@xxxxxxxxxx>
Subject: mm/migrate: remove useless mask of start address
Addresses passed to walk_page_range() callback functions are already page
aligned and don't need to be masked with PAGE_MASK.
Link: http://lkml.kernel.org/r/20200107211208.24595-2-rcampbell@xxxxxxxxxx
Signed-off-by: Ralph Campbell <rcampbell@xxxxxxxxxx>
Reviewed-by: Christoph Hellwig <hch@xxxxxx>
Cc: Jerome Glisse <jglisse@xxxxxxxxxx>
Cc: John Hubbard <jhubbard@xxxxxxxxxx>
Cc: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
Cc: Bharata B Rao <bharata@xxxxxxxxxxxxx>
Cc: Michal Hocko <mhocko@xxxxxxxxxx>
Cc: Chris Down <chris@xxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/migrate.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/migrate.c~mm-migrate-remove-useless-mask-of-start-address
+++ a/mm/migrate.c
@@ -2156,7 +2156,7 @@ static int migrate_vma_collect_hole(unsi
struct migrate_vma *migrate = walk->private;
unsigned long addr;
- for (addr = start & PAGE_MASK; addr < end; addr += PAGE_SIZE) {
+ for (addr = start; addr < end; addr += PAGE_SIZE) {
migrate->src[migrate->npages] = MIGRATE_PFN_MIGRATE;
migrate->dst[migrate->npages] = 0;
migrate->npages++;
@@ -2173,7 +2173,7 @@ static int migrate_vma_collect_skip(unsi
struct migrate_vma *migrate = walk->private;
unsigned long addr;
- for (addr = start & PAGE_MASK; addr < end; addr += PAGE_SIZE) {
+ for (addr = start; addr < end; addr += PAGE_SIZE) {
migrate->dst[migrate->npages] = 0;
migrate->src[migrate->npages++] = 0;
}
_
Patches currently in -mm which might be from rcampbell@xxxxxxxxxx are
