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Commit 1a493b8f authored by Liam Mark's avatar Liam Mark
Browse files

arm64: mm: preserve 4k mappings for late mappings 



There are several features such as CONFIG_FREE_PAGES_RDONLY
which depend on pages being mapped as 4k.
When we creating late mappings ensure that 4K mappings
aren't replaced with block mappings if CONFIG_FORCE_PAGES
is enabled.

Change-Id: I9f1853c71ba6dec92ede869b90e220d63af6ae3e
Signed-off-by: default avatarLiam Mark <lmark@codeaurora.org>
parent 8ca03863

arch/arm64/mm/mmu.c

+2 −1
Original line number Diff line number Diff line
@@ -540,7 +540,8 @@ static void create_mapping_late(phys_addr_t phys, unsigned long virt, 
	}



	return __create_mapping(&init_mm, pgd_offset_k(virt & PAGE_MASK),

				phys, virt, size, prot, late_alloc, false);

				phys, virt, size, prot, late_alloc,

				IS_ENABLED(CONFIG_FORCE_PAGES));

}



#ifdef CONFIG_DEBUG_RODATA