Files
erofs-linux/arch/powerpc/include/asm/vmalloc.h
T
Nicholas Piggin 6f680e70b6 mm/vmalloc: provide fallback arch huge vmap support functions
If an architecture doesn't support a particular page table level as a huge
vmap page size then allow it to skip defining the support query function.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Nicholas Piggin <[email protected]>
Suggested-by: Christoph Hellwig <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Catalin Marinas <[email protected]>
Cc: Ding Tianhong <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Miaohe Lin <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Russell King <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Uladzislau Rezki (Sony) <[email protected]>
Cc: Will Deacon <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
2021-04-30 11:20:40 -07:00

25 lines
536 B
C

#ifndef _ASM_POWERPC_VMALLOC_H
#define _ASM_POWERPC_VMALLOC_H
#include <asm/mmu.h>
#include <asm/page.h>
#ifdef CONFIG_HAVE_ARCH_HUGE_VMAP
#define arch_vmap_pud_supported arch_vmap_pud_supported
static inline bool arch_vmap_pud_supported(pgprot_t prot)
{
/* HPT does not cope with large pages in the vmalloc area */
return radix_enabled();
}
#define arch_vmap_pmd_supported arch_vmap_pmd_supported
static inline bool arch_vmap_pmd_supported(pgprot_t prot)
{
return radix_enabled();
}
#endif
#endif /* _ASM_POWERPC_VMALLOC_H */