diff options
| author | Heiko Carstens <hca@linux.ibm.com> | 2025-09-22 17:24:05 +0200 |
|---|---|---|
| committer | Alexander Gordeev <agordeev@linux.ibm.com> | 2025-09-24 16:24:17 +0200 |
| commit | 5671ce2a1fc6b4a16cff962423bc416b92cac3c8 (patch) | |
| tree | fbee67be3d5c1fb2835d826372ac336ccaad7770 /arch/s390/mm/pgalloc.c | |
| parent | e11727b2b0ca23d147c4d42f494a59aba0749c89 (diff) | |
s390/mm: Use __GFP_ACCOUNT for user page table allocations
Add missing kmemcg accounting of user page table allocations.
Reviewed-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Diffstat (limited to 'arch/s390/mm/pgalloc.c')
| -rw-r--r-- | arch/s390/mm/pgalloc.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/s390/mm/pgalloc.c b/arch/s390/mm/pgalloc.c index d2f6f1f6d2fc..ad3e0f7f7fc1 100644 --- a/arch/s390/mm/pgalloc.c +++ b/arch/s390/mm/pgalloc.c @@ -16,9 +16,13 @@ unsigned long *crst_table_alloc(struct mm_struct *mm) { - struct ptdesc *ptdesc = pagetable_alloc(GFP_KERNEL, CRST_ALLOC_ORDER); + gfp_t gfp = GFP_KERNEL_ACCOUNT; + struct ptdesc *ptdesc; unsigned long *table; + if (mm == &init_mm) + gfp &= ~__GFP_ACCOUNT; + ptdesc = pagetable_alloc(gfp, CRST_ALLOC_ORDER); if (!ptdesc) return NULL; table = ptdesc_to_virt(ptdesc); @@ -117,7 +121,7 @@ struct ptdesc *page_table_alloc_pgste(struct mm_struct *mm) struct ptdesc *ptdesc; u64 *table; - ptdesc = pagetable_alloc(GFP_KERNEL, 0); + ptdesc = pagetable_alloc(GFP_KERNEL_ACCOUNT, 0); if (ptdesc) { table = (u64 *)ptdesc_to_virt(ptdesc); __arch_set_page_dat(table, 1); @@ -136,10 +140,13 @@ void page_table_free_pgste(struct ptdesc *ptdesc) unsigned long *page_table_alloc(struct mm_struct *mm) { + gfp_t gfp = GFP_KERNEL_ACCOUNT; struct ptdesc *ptdesc; unsigned long *table; - ptdesc = pagetable_alloc(GFP_KERNEL, 0); + if (mm == &init_mm) + gfp &= ~__GFP_ACCOUNT; + ptdesc = pagetable_alloc(gfp, 0); if (!ptdesc) return NULL; if (!pagetable_pte_ctor(mm, ptdesc)) { |