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Commit 5ff97472 authored by Ralf Baechle's avatar Ralf Baechle
Browse files

[MIPS] Fix computation of {PGD,PMD,PTE}_T_LOG2. 



For the generation of asm-offset.h to work these need to be evaulatable
by gcc as a constant expression.  This issue did exist for a while but
didn't bite because they're only in asm-offset.h for debugging purposes.

Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent 4c8081e4

include/asm-mips/pgtable.h

+3 −3
Original line number Diff line number Diff line
@@ -168,9 +168,9 @@ static inline void pte_clear(struct mm_struct *mm, unsigned long addr, pte_t *pt 
#define set_pud(pudptr, pudval) do { *(pudptr) = (pudval); } while(0)

#endif



#define PGD_T_LOG2	ffz(~sizeof(pgd_t))

#define PMD_T_LOG2	ffz(~sizeof(pmd_t))

#define PTE_T_LOG2	ffz(~sizeof(pte_t))

#define PGD_T_LOG2	(__builtin_ffs(sizeof(pgd_t)) - 1)

#define PMD_T_LOG2	(__builtin_ffs(sizeof(pmd_t)) - 1)

#define PTE_T_LOG2	(__builtin_ffs(sizeof(pte_t)) - 1)



extern pgd_t swapper_pg_dir[PTRS_PER_PGD];