mm: make INVALID_PHYS_ADDR a generic macro

INVALID_PHYS_ADDR has very similar definitions across the code base. 
Hence just move that inside header <liux/mm.h> for more generic usage. 
Also drop the now redundant ones which are no longer required.

Link: https://lkml.kernel.org/r/20251021025638.2420216-1-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>	[s390]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Anshuman Khandual
2025-10-21 03:56:38 +01:00
committed by Andrew Morton
parent b734b9d973
commit 272239dc8f
5 changed files with 2 additions and 7 deletions

View File

@@ -470,8 +470,6 @@ static void __create_pgd_mapping(pgd_t *pgdir, phys_addr_t phys,
mutex_unlock(&fixmap_lock);
}
#define INVALID_PHYS_ADDR (-1ULL)
static phys_addr_t __pgd_pgtable_alloc(struct mm_struct *mm, gfp_t gfp,
enum pgtable_type pgtable_type)
{

View File

@@ -16,7 +16,6 @@
#include "decompressor.h"
#include "boot.h"
#define INVALID_PHYS_ADDR (~(phys_addr_t)0)
struct ctlreg __bootdata_preserved(s390_invalid_asce);
#ifdef CONFIG_PROC_FS

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@@ -17,8 +17,6 @@
#define IOVA_START_PFN 1
#define INVALID_PHYS_ADDR (~(phys_addr_t)0)
#define BOUNCE_MAP_SHIFT 12
#define BOUNCE_MAP_SIZE (1 << BOUNCE_MAP_SHIFT)
#define BOUNCE_MAP_MASK (~(BOUNCE_MAP_SIZE - 1))

View File

@@ -105,6 +105,8 @@ extern int mmap_rnd_compat_bits __read_mostly;
# endif
#endif
#define INVALID_PHYS_ADDR (~(phys_addr_t)0)
#include <asm/page.h>
#include <asm/processor.h>

View File

@@ -61,8 +61,6 @@
*/
#define IO_TLB_MIN_SLABS ((1<<20) >> IO_TLB_SHIFT)
#define INVALID_PHYS_ADDR (~(phys_addr_t)0)
/**
* struct io_tlb_slot - IO TLB slot descriptor
* @orig_addr: The original address corresponding to a mapped entry.