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| author | Russell King | 2009-10-25 11:23:04 +0100 |
|---|---|---|
| committer | Russell King | 2009-12-01 19:20:07 +0100 |
| commit | 421fe93cc4b06b2f5e875cbe0f692800d4862ee5 (patch) | |
| tree | 88c5985799273a7c854159246d715e1ad85646f9 /arch/arm/mm/mmu.c | |
| parent | ARM: Avoid evaluating page_address() multiple times (diff) | |
| download | kernel-qcow2-linux-421fe93cc4b06b2f5e875cbe0f692800d4862ee5.tar.gz kernel-qcow2-linux-421fe93cc4b06b2f5e875cbe0f692800d4862ee5.tar.xz kernel-qcow2-linux-421fe93cc4b06b2f5e875cbe0f692800d4862ee5.zip | |
ARM: ZERO_PAGE: Avoid flush_dcache_page() for zero page
The zero page is read-only, and has its cache state cleared during
boot. No further maintanence for this page is required.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/mmu.c')
| -rw-r--r-- | arch/arm/mm/mmu.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index ea67be0223ac..2427cdcd9098 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -1036,7 +1036,7 @@ void __init paging_init(struct machine_desc *mdesc) */ zero_page = alloc_bootmem_low_pages(PAGE_SIZE); empty_zero_page = virt_to_page(zero_page); - flush_dcache_page(empty_zero_page); + __flush_dcache_page(NULL, empty_zero_page); } /* |