Commit 272239dc authored by Anshuman Khandual's avatar Anshuman Khandual Committed by Andrew Morton
Browse files

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: default avatarAnshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Alexander Gordeev <agordeev@linux.ibm.com>	[s390]
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
parent b734b9d9

arch/arm64/mm/mmu.c

+0 −2
Original line number Diff line number Diff line
@@ -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)

{

arch/s390/boot/vmem.c

+0 −1
Original line number Diff line number Diff line
@@ -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

drivers/vdpa/vdpa_user/iova_domain.h

+0 −2
Original line number Diff line number Diff line
@@ -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))

include/linux/mm.h

+2 −0
Original line number Diff line number Diff line
@@ -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>

kernel/dma/swiotlb.c

+0 −2
Original line number Diff line number Diff line
@@ -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.