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| author | Al Viro <viro@zeniv.linux.org.uk> | 2023-02-02 14:03:31 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2025-09-13 15:15:08 -0400 |
| commit | f4cfb3c49f931f71f68e807b061a0df96d3bbe6b (patch) | |
| tree | 2d296ee9a1fea4caa3a9ee043157b105d644fbe5 | |
| parent | SET_PAGE_DIR() users had been gone since 2.3.12pre1 (diff) | |
| download | linux-f4cfb3c49f931f71f68e807b061a0df96d3bbe6b.tar.gz linux-f4cfb3c49f931f71f68e807b061a0df96d3bbe6b.zip | |
alpha: get rid of the remnants of BAD_PAGE and friends
unused since 2.4 times...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | arch/alpha/include/asm/pgtable.h | 10 | ||||
| -rw-r--r-- | arch/alpha/mm/init.c | 27 |
2 files changed, 0 insertions, 37 deletions
diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h index ae2bdbeec91c..84014e9be504 100644 --- a/arch/alpha/include/asm/pgtable.h +++ b/arch/alpha/include/asm/pgtable.h @@ -126,19 +126,9 @@ struct vm_area_struct; #define pgprot_noncached(prot) (prot) /* - * BAD_PAGETABLE is used when we need a bogus page-table, while - * BAD_PAGE is used for a bogus page. - * * ZERO_PAGE is a global shared page that is always zero: used * for zero-mapped memory areas etc.. */ -extern pte_t __bad_page(void); -extern pmd_t * __bad_pagetable(void); - -extern unsigned long __zero_page(void); - -#define BAD_PAGETABLE __bad_pagetable() -#define BAD_PAGE __bad_page() #define ZERO_PAGE(vaddr) (virt_to_page(ZERO_PGE)) /* diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c index 2d491b8cdab9..4c5ab9cd8a0a 100644 --- a/arch/alpha/mm/init.c +++ b/arch/alpha/mm/init.c @@ -60,33 +60,6 @@ pgd_alloc(struct mm_struct *mm) } -/* - * BAD_PAGE is the page that is used for page faults when linux - * is out-of-memory. Older versions of linux just did a - * do_exit(), but using this instead means there is less risk - * for a process dying in kernel mode, possibly leaving an inode - * unused etc.. - * - * BAD_PAGETABLE is the accompanying page-table: it is initialized - * to point to BAD_PAGE entries. - * - * ZERO_PAGE is a special page that is used for zero-initialized - * data and COW. - */ -pmd_t * -__bad_pagetable(void) -{ - memset(absolute_pointer(EMPTY_PGT), 0, PAGE_SIZE); - return (pmd_t *) EMPTY_PGT; -} - -pte_t -__bad_page(void) -{ - memset(absolute_pointer(EMPTY_PGE), 0, PAGE_SIZE); - return pte_mkdirty(mk_pte(virt_to_page(EMPTY_PGE), PAGE_SHARED)); -} - static inline unsigned long load_PCB(struct pcb_struct *pcb) { |