mm: introduce pte_special pte bit

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / asm-alpha / pgtable.h

diff --git a/include/asm-alpha/pgtable.h b/include/asm-alpha/pgtable.h
index 99037b0323570c1e4831e1ec2228bc455fcabef0..05ce5fba43e32ef37143836f1961a5300667f30c 100644 (file)
--- a/include/asm-alpha/pgtable.h
+++ b/include/asm-alpha/pgtable.h
@@ -268,6 +268,7 @@ extern inline int pte_write(pte_t pte)              { return !(pte_val(pte) & _PAGE_FOW); }
 extern inline int pte_dirty(pte_t pte)         { return pte_val(pte) & _PAGE_DIRTY; }
 extern inline int pte_young(pte_t pte)         { return pte_val(pte) & _PAGE_ACCESSED; }
 extern inline int pte_file(pte_t pte)          { return pte_val(pte) & _PAGE_FILE; }
+extern inline int pte_special(pte_t pte)       { return 0; }
 
 extern inline pte_t pte_wrprotect(pte_t pte)   { pte_val(pte) |= _PAGE_FOW; return pte; }
 extern inline pte_t pte_mkclean(pte_t pte)     { pte_val(pte) &= ~(__DIRTY_BITS); return pte; }
@@ -275,6 +276,7 @@ extern inline pte_t pte_mkold(pte_t pte)    { pte_val(pte) &= ~(__ACCESS_BITS); ret
 extern inline pte_t pte_mkwrite(pte_t pte)     { pte_val(pte) &= ~_PAGE_FOW; return pte; }
 extern inline pte_t pte_mkdirty(pte_t pte)     { pte_val(pte) |= __DIRTY_BITS; return pte; }
 extern inline pte_t pte_mkyoung(pte_t pte)     { pte_val(pte) |= __ACCESS_BITS; return pte; }
+extern inline pte_t pte_mkspecial(pte_t pte)   { return pte; }
 
 #define PAGE_DIR_OFFSET(tsk,address) pgd_offset((tsk),(address))