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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 21 Jul 2025 03:44:49.0188 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: b1a02fef-286e-4799-9c7e-08ddc808f15b X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[4.158.2.129];Helo=[outbound-uk1.az.dlp.m.darktrace.com] X-MS-Exchange-CrossTenant-AuthSource: AMS1EPF00000046.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI0PR08MB10757 X-Rspamd-Queue-Id: ADFB820008 X-Rspam-User: X-Rspamd-Server: rspam09 X-Stat-Signature: a5btjchuqfnzs3w4cbtm9k8wsqihm8n6 X-HE-Tag: 1753069496-591226 X-HE-Meta: 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 I27VMhTX 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 21/07/25 5:14 am, Barry Song wrote: > On Fri, Jul 18, 2025 at 5:03 PM Dev Jain wrote: >> Reduce indentation by refactoring the prot_numa case into a new function. >> No functional change intended. >> >> Signed-off-by: Dev Jain > Reviewed-by: Barry Song > >> --- >> mm/mprotect.c | 101 +++++++++++++++++++++++++++----------------------- >> 1 file changed, 55 insertions(+), 46 deletions(-) >> >> diff --git a/mm/mprotect.c b/mm/mprotect.c >> index 88709c01177b..2a9c73bd0778 100644 >> --- a/mm/mprotect.c >> +++ b/mm/mprotect.c >> @@ -83,6 +83,59 @@ bool can_change_pte_writable(struct vm_area_struct *vma, unsigned long addr, >> return pte_dirty(pte); >> } >> >> +static bool prot_numa_skip(struct vm_area_struct *vma, unsigned long addr, >> + pte_t oldpte, pte_t *pte, int target_node) >> +{ > [...] > >> + /* >> + * Skip scanning top tier node if normal numa >> + * balancing is disabled >> + */ >> + if (!(sysctl_numa_balancing_mode & NUMA_BALANCING_NORMAL) && toptier) >> + return true; >> + >> + if (folio_use_access_time(folio)) >> + folio_xchg_access_time(folio, jiffies_to_msecs(jiffies)); > Nit: I wonder if this should be moved elsewhere, since this isn't > actually about 'skipping', even though the function is named > `prot_numa_skip()`. Agreed, thanks. We can use prot_numa_skip() only to return true or false, and if returned false, we can call folio_xchg_access_time. I will wait for 2-3 days for any more comments and respin. > >> + return false; >> +} >> + > Thanks > Barry