evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

x86: Remove set_pmd_pfn

Browse source 
The last user of set_pmd_pfn() went away in commit f03574f2d5, so this
has been dead code for over a year.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

 arch/x86/include/asm/pgtable_32.h |    3 ---
 arch/x86/mm/pgtable_32.c          |   35 -----------------------------------
 2 files changed, 38 deletions(-)
This commit is contained in:
Matthew Wilcox 2014-08-27 15:04:29 -04:00 • committed by Thomas Gleixner
parent 69e273c0b0
commit bb693f13a0
2 changed files with 0 additions and 38 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
arch/x86/include/asm/pgtable_32.h
View file

@ -32,9 +32,6 @@ static inline void pgtable_cache_init(void) { }
static inline void check_pgt_cache(void) { } static inline void check_pgt_cache(void) { }
void paging_init(void); void paging_init(void);
extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t);
/* /*
* Define this if things work differently on an i386 and an i486: * Define this if things work differently on an i386 and an i486:
* it will (on an i486) warn about kernel memory accesses that are * it will (on an i486) warn about kernel memory accesses that are

35
arch/x86/mm/pgtable_32.c
View file

@ -59,41 +59,6 @@ void set_pte_vaddr(unsigned long vaddr, pte_t pteval)
__flush_tlb_one(vaddr); __flush_tlb_one(vaddr);
} }
/*
* Associate a large virtual page frame with a given physical page frame
* and protection flags for that frame. pfn is for the base of the page,
* vaddr is what the page gets mapped to - both must be properly aligned.
* The pmd must already be instantiated. Assumes PAE mode.
*/
void set_pmd_pfn(unsigned long vaddr, unsigned long pfn, pgprot_t flags)
{
pgd_t *pgd;
pud_t *pud;
pmd_t *pmd;
if (vaddr & (PMD_SIZE-1)) { /* vaddr is misaligned */
printk(KERN_WARNING "set_pmd_pfn: vaddr misaligned\n");
return; /* BUG(); */
}
if (pfn & (PTRS_PER_PTE-1)) { /* pfn is misaligned */
printk(KERN_WARNING "set_pmd_pfn: pfn misaligned\n");
return; /* BUG(); */
}
pgd = swapper_pg_dir + pgd_index(vaddr);
if (pgd_none(*pgd)) {
printk(KERN_WARNING "set_pmd_pfn: pgd_none\n");
return; /* BUG(); */
}
pud = pud_offset(pgd, vaddr);
pmd = pmd_offset(pud, vaddr);
set_pmd(pmd, pfn_pmd(pfn, flags));
/*
* It's enough to flush this one mapping.
* (PGE mappings get flushed as well)
*/
__flush_tlb_one(vaddr);
}
unsigned long __FIXADDR_TOP = 0xfffff000; unsigned long __FIXADDR_TOP = 0xfffff000;
EXPORT_SYMBOL(__FIXADDR_TOP); EXPORT_SYMBOL(__FIXADDR_TOP);