linux-kernel - [tip: x86/mm] x86/mm: Remove duplicated PMD preallocation macro

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Message-ID: <174491300425.31282.4892024487045944709.tip-bot2@tip-bot2>
Date: Thu, 17 Apr 2025 18:03:24 -0000
From: "tip-bot2 for Dave Hansen" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: x86/mm] x86/mm: Remove duplicated PMD preallocation macro

The following commit has been merged into the x86/mm branch of tip:

Commit-ID:     99b8f0c54f571616d7bf4a776a2863a321c38cb1
Gitweb:        https://git.kernel.org/tip/99b8f0c54f571616d7bf4a776a2863a321c38cb1
Author:        Dave Hansen <dave.hansen@...ux.intel.com>
AuthorDate:    Mon, 14 Apr 2025 10:32:42 -07:00
Committer:     Dave Hansen <dave.hansen@...ux.intel.com>
CommitterDate: Thu, 17 Apr 2025 10:39:25 -07:00

x86/mm: Remove duplicated PMD preallocation macro

MAX_PREALLOCATED_PMDS and PREALLOCATED_PMDS are now identical. Just
use PREALLOCATED_PMDS and remove "MAX".

Signed-off-by: Dave Hansen <dave.hansen@...ux.intel.com>
Link: https://lore.kernel.org/all/20250414173242.5ED13A5B%40davehans-spike.ostc.intel.com
---
 arch/x86/mm/pgtable.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index f4fa8fa..c1144e2 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -118,7 +118,6 @@ static void pgd_dtor(pgd_t *pgd)
  * new process's life, we just pre-populate them here.
  */
 #define PREALLOCATED_PMDS	PTRS_PER_PGD
-#define MAX_PREALLOCATED_PMDS	PTRS_PER_PGD
 
 /*
  * "USER_PMDS" are the PMDs for the user copy of the page tables when
@@ -154,7 +153,6 @@ void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd)
 
 /* No need to prepopulate any pagetable entries in non-PAE modes. */
 #define PREALLOCATED_PMDS	0
-#define MAX_PREALLOCATED_PMDS	0
 #define PREALLOCATED_USER_PMDS	 0
 #define MAX_PREALLOCATED_USER_PMDS 0
 #endif	/* CONFIG_X86_PAE */
@@ -324,7 +322,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm)
 {
 	pgd_t *pgd;
 	pmd_t *u_pmds[MAX_PREALLOCATED_USER_PMDS];
-	pmd_t *pmds[MAX_PREALLOCATED_PMDS];
+	pmd_t *pmds[PREALLOCATED_PMDS];
 
 	pgd = _pgd_alloc(mm);