The patch titled
Subject: mm: remove unneeded local variable follflags
has been removed from the -mm tree. Its filename was
mm-remove-unneeded-local-variable-follflags-v2.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Subject: mm: remove unneeded local variable follflags
We can pass FOLL_GET | FOLL_DUMP to follow_page directly to simplify the
code a bit in add_page_for_migration and split_huge_pages_pid.
Link: https://lkml.kernel.org/r/20220311072002.35575-1-linmiaohe@xxxxxxxxxx
Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
Reviewed-by: Anshuman Khandual <anshuman.khandual@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/huge_memory.c | 4 +---
mm/migrate.c | 4 +---
2 files changed, 2 insertions(+), 6 deletions(-)
--- a/mm/huge_memory.c~mm-remove-unneeded-local-variable-follflags-v2
+++ a/mm/huge_memory.c
@@ -2953,7 +2953,6 @@ static int split_huge_pages_pid(int pid,
*/
for (addr = vaddr_start; addr < vaddr_end; addr += PAGE_SIZE) {
struct vm_area_struct *vma = find_vma(mm, addr);
- unsigned int follflags;
struct page *page;
if (!vma || addr < vma->vm_start)
@@ -2966,8 +2965,7 @@ static int split_huge_pages_pid(int pid,
}
/* FOLL_DUMP to ignore special (like zero) pages */
- follflags = FOLL_GET | FOLL_DUMP;
- page = follow_page(vma, addr, follflags);
+ page = follow_page(vma, addr, FOLL_GET | FOLL_DUMP);
if (IS_ERR(page))
continue;
--- a/mm/migrate.c~mm-remove-unneeded-local-variable-follflags-v2
+++ a/mm/migrate.c
@@ -1611,7 +1611,6 @@ static int add_page_for_migration(struct
{
struct vm_area_struct *vma;
struct page *page;
- unsigned int follflags;
int err;
mmap_read_lock(mm);
@@ -1621,8 +1620,7 @@ static int add_page_for_migration(struct
goto out;
/* FOLL_DUMP to ignore special (like zero) pages */
- follflags = FOLL_GET | FOLL_DUMP;
- page = follow_page(vma, addr, follflags);
+ page = follow_page(vma, addr, FOLL_GET | FOLL_DUMP);
err = PTR_ERR(page);
if (IS_ERR(page))
_
Patches currently in -mm which might be from linmiaohe@xxxxxxxxxx are
mm-huge_memory-make-is_transparent_hugepage-static.patch
