vmalloc.h (bbc180a5adb05ee8053fab7a0c0bd56c5964240e) vmalloc.h (97dc2a1548ab0dc320ce3618b73b3f9dc732b6ee)
1#ifndef _ASM_X86_VMALLOC_H
2#define _ASM_X86_VMALLOC_H
3
1#ifndef _ASM_X86_VMALLOC_H
2#define _ASM_X86_VMALLOC_H
3
4#include <asm/cpufeature.h>
4#include <asm/page.h>
5#include <asm/pgtable_areas.h>
6
7#ifdef CONFIG_HAVE_ARCH_HUGE_VMAP
5#include <asm/page.h>
6#include <asm/pgtable_areas.h>
7
8#ifdef CONFIG_HAVE_ARCH_HUGE_VMAP
8bool arch_vmap_p4d_supported(pgprot_t prot);
9bool arch_vmap_pud_supported(pgprot_t prot);
10bool arch_vmap_pmd_supported(pgprot_t prot);
9static inline bool arch_vmap_p4d_supported(pgprot_t prot)
10{
11 return false;
12}
13
14static inline bool arch_vmap_pud_supported(pgprot_t prot)
15{
16#ifdef CONFIG_X86_64
17 return boot_cpu_has(X86_FEATURE_GBPAGES);
18#else
19 return false;
11#endif
20#endif
21}
12
22
23static inline bool arch_vmap_pmd_supported(pgprot_t prot)
24{
25 return boot_cpu_has(X86_FEATURE_PSE);
26}
27#endif
28
13#endif /* _ASM_X86_VMALLOC_H */
29#endif /* _ASM_X86_VMALLOC_H */