mm/mprotect: drop 'sub' from batching context

Shorten the name of page_anon_exclusive_sub_batch by dropping the
"sub-batch" context - the function itself doesn't need this context. 
Similarly, drop "sub" from sub_batch_idx, it is unnecessary and the usage
is clear enough.

Link: https://lore.kernel.org/20260623125723.2503832-3-dev.jain@arm.com
Signed-off-by: Dev Jain <dev.jain@arm.com>
Reviewed-by: Lance Yang <lance.yang@linux.dev>
Reviewed-by: Pedro Falcato <pfalcato@suse.de>
Reviewed-by: Lorenzo Stoakes <ljs@kernel.org>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Reviewed-by: Barry Song <baohua@kernel.org>
Cc: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Baoquan He <baoquan.he@linux.dev>
Cc: Chris Li <chrisl@kernel.org>
Cc: Jann Horn <jannh@google.com>
Cc: Kairui Song <kasong@tencent.com>
Cc: Kemeng Shi <shikemeng@huaweicloud.com>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Nhat Pham <nphamcs@gmail.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Dev Jain 2026-06-23 12:57:22 +00:00 committed by Andrew Morton
parent 3ade884239
commit 8a28b50d6f

View File

@ -143,7 +143,7 @@ static __always_inline void prot_commit_flush_ptes(struct vm_area_struct *vma,
* !PageAnonExclusive() pages, starting from start_idx. Caller must enforce
* that the ptes point to consecutive pages of the same anon large folio.
*/
static __always_inline int page_anon_exclusive_sub_batch(int start_idx, int max_len,
static __always_inline int page_anon_exclusive_batch(int start_idx, int max_len,
struct page *first_page, bool expected_anon_exclusive)
{
int idx;
@ -174,16 +174,16 @@ static __always_inline void commit_anon_folio_batch(struct vm_area_struct *vma,
pte_t oldpte, pte_t ptent, int nr_ptes, struct mmu_gather *tlb)
{
bool expected_anon_exclusive;
int sub_batch_idx = 0;
int batch_idx = 0;
int len;
while (nr_ptes) {
expected_anon_exclusive = PageAnonExclusive(first_page + sub_batch_idx);
len = page_anon_exclusive_sub_batch(sub_batch_idx, nr_ptes,
expected_anon_exclusive = PageAnonExclusive(first_page + batch_idx);
len = page_anon_exclusive_batch(batch_idx, nr_ptes,
first_page, expected_anon_exclusive);
prot_commit_flush_ptes(vma, addr, ptep, oldpte, ptent, len,
sub_batch_idx, expected_anon_exclusive, tlb);
sub_batch_idx += len;
batch_idx, expected_anon_exclusive, tlb);
batch_idx += len;
nr_ptes -= len;
}
}