swh:1:snp:77163734605b0ec556b01d897b7bb4a7e30d46b6
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Tip revision: 7d2a07b769330c34b4deabeed939325c77a7ec2f authored by Linus Torvalds on 29 August 2021, 22:04:50 UTC
Linux 5.14
Tip revision: 7d2a07b
vmalloc.h
#ifndef _ASM_ARM64_VMALLOC_H
#define _ASM_ARM64_VMALLOC_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)
{
	/*
	 * Only 4k granule supports level 1 block mappings.
	 * SW table walks can't handle removal of intermediate entries.
	 */
	return IS_ENABLED(CONFIG_ARM64_4K_PAGES) &&
	       !IS_ENABLED(CONFIG_PTDUMP_DEBUGFS);
}

#define arch_vmap_pmd_supported arch_vmap_pmd_supported
static inline bool arch_vmap_pmd_supported(pgprot_t prot)
{
	/* See arch_vmap_pud_supported() */
	return !IS_ENABLED(CONFIG_PTDUMP_DEBUGFS);
}

#endif

#endif /* _ASM_ARM64_VMALLOC_H */
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