mirror of
https://github.com/torvalds/linux.git
synced 2024-11-24 13:11:40 +00:00
6f680e70b6
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/20210317062402.533919-11-npiggin@gmail.com Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Suggested-by: Christoph Hellwig <hch@lst.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Ding Tianhong <dingtianhong@huawei.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Miaohe Lin <linmiaohe@huawei.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Russell King <linux@armlinux.org.uk> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Uladzislau Rezki (Sony) <urezki@gmail.com> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
27 lines
560 B
C
27 lines
560 B
C
#ifndef _ASM_X86_VMALLOC_H
|
|
#define _ASM_X86_VMALLOC_H
|
|
|
|
#include <asm/cpufeature.h>
|
|
#include <asm/page.h>
|
|
#include <asm/pgtable_areas.h>
|
|
|
|
#ifdef CONFIG_HAVE_ARCH_HUGE_VMAP
|
|
|
|
#ifdef CONFIG_X86_64
|
|
#define arch_vmap_pud_supported arch_vmap_pud_supported
|
|
static inline bool arch_vmap_pud_supported(pgprot_t prot)
|
|
{
|
|
return boot_cpu_has(X86_FEATURE_GBPAGES);
|
|
}
|
|
#endif
|
|
|
|
#define arch_vmap_pmd_supported arch_vmap_pmd_supported
|
|
static inline bool arch_vmap_pmd_supported(pgprot_t prot)
|
|
{
|
|
return boot_cpu_has(X86_FEATURE_PSE);
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif /* _ASM_X86_VMALLOC_H */
|