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arm64: mm: avoid virt_to_page() translation for the zero page
authorArd Biesheuvel <ard.biesheuvel@linaro.org>
Wed, 30 Mar 2016 14:45:58 +0000 (16:45 +0200)
committerWill Deacon <will.deacon@arm.com>
Thu, 14 Apr 2016 15:31:49 +0000 (16:31 +0100)
commit22b6f3b0549be61a2d5fe8210ff7628e6d2d8185
tree943dd62bba7674a41a3ed2177618cca4ee5d4539tree | snapshot (tar.gz zip)
parentd386825c959efeaae3315c25dd2d2874c68829c7commit | diff
arm64: mm: avoid virt_to_page() translation for the zero page

The zero page is statically allocated, so grab its struct page pointer
without using virt_to_page(), which will be restricted to the linear
mapping later.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
arch/arm64/include/asm/pgtable.h diff | blob | blame | history