The patch titled
Subject: mm/mlock: rename mlock_future_check() to mlock_future_ok()
has been added to the -mm mm-unstable branch. Its filename is
mm-mlock-rename-mlock_future_check-to-mlock_future_ok.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-mlock-rename-mlock_future_check-to-mlock_future_ok.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm/mlock: rename mlock_future_check() to mlock_future_ok()
Date: Mon May 22 01:52:10 PM PDT 2023
It is felt that the name mlock_future_check() is vague - it doesn't
particularly convey the function's operation. mlock_future_ok() is a
clearer name for a predicate function.
Cc: Liam Howlett <liam.howlett@xxxxxxxxxx>
Cc: Lorenzo Stoakes <lstoakes@xxxxxxxxx>
Cc: Mike Rapoport (IBM) <rppt@xxxxxxxxxx>
Cc: Vlastimil Babka <vbabka@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/internal.h | 2 +-
mm/mmap.c | 8 ++++----
mm/mremap.c | 2 +-
mm/secretmem.c | 2 +-
4 files changed, 7 insertions(+), 7 deletions(-)
--- a/mm/internal.h~mm-mlock-rename-mlock_future_check-to-mlock_future_ok
+++ a/mm/internal.h
@@ -576,7 +576,7 @@ extern long populate_vma_page_range(stru
extern long faultin_vma_page_range(struct vm_area_struct *vma,
unsigned long start, unsigned long end,
bool write, int *locked);
-extern bool mlock_future_check(struct mm_struct *mm, unsigned long flags,
+extern bool mlock_future_ok(struct mm_struct *mm, unsigned long flags,
unsigned long bytes);
/*
* mlock_vma_folio() and munlock_vma_folio():
--- a/mm/mmap.c~mm-mlock-rename-mlock_future_check-to-mlock_future_ok
+++ a/mm/mmap.c
@@ -182,7 +182,7 @@ static int check_brk_limits(unsigned lon
if (IS_ERR_VALUE(mapped_addr))
return mapped_addr;
- return mlock_future_check(current->mm, current->mm->def_flags, len)
+ return mlock_future_ok(current->mm, current->mm->def_flags, len)
? 0 : -EAGAIN;
}
static int do_brk_flags(struct vma_iterator *vmi, struct vm_area_struct *brkvma,
@@ -1149,7 +1149,7 @@ static inline unsigned long round_hint_t
return hint;
}
-bool mlock_future_check(struct mm_struct *mm, unsigned long flags,
+bool mlock_future_ok(struct mm_struct *mm, unsigned long flags,
unsigned long bytes)
{
unsigned long locked_pages, limit_pages;
@@ -1275,7 +1275,7 @@ unsigned long do_mmap(struct file *file,
if (!can_do_mlock())
return -EPERM;
- if (!mlock_future_check(mm, vm_flags, len))
+ if (!mlock_future_ok(mm, vm_flags, len))
return -EAGAIN;
if (file) {
@@ -1927,7 +1927,7 @@ static int acct_stack_growth(struct vm_a
return -ENOMEM;
/* mlock limit tests */
- if (!mlock_future_check(mm, vma->vm_flags, grow << PAGE_SHIFT))
+ if (!mlock_future_ok(mm, vma->vm_flags, grow << PAGE_SHIFT))
return -ENOMEM;
/* Check to ensure the stack will not grow into a hugetlb-only region */
--- a/mm/mremap.c~mm-mlock-rename-mlock_future_check-to-mlock_future_ok
+++ a/mm/mremap.c
@@ -775,7 +775,7 @@ static struct vm_area_struct *vma_to_res
if (vma->vm_flags & (VM_DONTEXPAND | VM_PFNMAP))
return ERR_PTR(-EFAULT);
- if (!mlock_future_check(mm, vma->vm_flags, new_len - old_len))
+ if (!mlock_future_ok(mm, vma->vm_flags, new_len - old_len))
return ERR_PTR(-EAGAIN);
if (!may_expand_vm(mm, vma->vm_flags,
--- a/mm/secretmem.c~mm-mlock-rename-mlock_future_check-to-mlock_future_ok
+++ a/mm/secretmem.c
@@ -125,7 +125,7 @@ static int secretmem_mmap(struct file *f
if ((vma->vm_flags & (VM_SHARED | VM_MAYSHARE)) == 0)
return -EINVAL;
- if (!mlock_future_check(vma->vm_mm, vma->vm_flags | VM_LOCKED, len))
+ if (!mlock_future_ok(vma->vm_mm, vma->vm_flags | VM_LOCKED, len))
return -EAGAIN;
vm_flags_set(vma, VM_LOCKED | VM_DONTDUMP);
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
mm-compaction-optimize-compact_memory-to-comply-with-the-admin-guide-fix.patch
mm-page_owner-add-page_owner_stacks-file-to-print-out-only-stacks-and-their-counte-fix.patch
mm-page_owner-add-page_owner_stacks-file-to-print-out-only-stacks-and-their-counte-fix-fix.patch
mmpage_owner-filter-out-stacks-by-a-threshold-counter-fix.patch
mm-mlock-rename-mlock_future_check-to-mlock_future_ok.patch
fork-optimize-memcg_charge_kernel_stack-a-bit-fix.patch
squashfs-cache-partial-compressed-blocks-fix.patch
init-add-bdev-fs-printk-if-mount_block_root-failed-fix.patch
