Commit 99b8f0c5 authored by Dave Hansen's avatar Dave Hansen
Browse files

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: default avatarDave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20250414173242.5ED13A5B%40davehans-spike.ostc.intel.com
parent 454e65b4

arch/x86/mm/pgtable.c

+1 −3
Original line number Diff line number Diff line
@@ -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);