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| author | Olof Johansson <olof@lixom.net> | 2013-07-12 10:59:39 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-07-12 10:59:39 -0700 |
| commit | f4b96f5e4ff8d86699c851c10245e102809b0331 (patch) | |
| tree | f766102263bed71738431cabb4d4f6f086005cd8 /arch/arm/mm/flush.c | |
| parent | 9d8812df35be58a5da0c44182c1e4ba2507cc6a7 (diff) | |
| parent | c24a6ae18abde53b048372b066b93b71b1b91154 (diff) | |
Merge tag 'omap-for-v3.11/fixes-for-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes
Omap fixes and minor defconfig updates that would be good to
get in before -rc1.
* tag 'omap-for-v3.11/fixes-for-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
ARM: OMAP2+: omap2plus_defconfig: Enable appended DTB support
ARM: OMAP2+: Enable TI_EDMA in omap2plus_defconfig
ARM: OMAP2+: omap2plus_defconfig: enable DRA752 thermal support by default
ARM: OMAP2+: omap2plus_defconfig: enable TI bandgap driver
ARM: OMAP2+: devices: remove duplicated include from devices.c
ARM: OMAP3: igep0020: Set DSS pins in correct mux mode.
ARM: OMAP2+: N900: enable N900-specific drivers even if device tree is enabled
ARM: OMAP2+: Cocci spatch "ptr_ret.spatch"
ARM: OMAP2+: Remove obsolete Makefile line
ARM: OMAP5: Enable Cortex A15 errata 798181
ARM: scu: provide inline dummy functions when SCU is not present
ARM: OMAP4: sleep: build OMAP4 specific functions only for OMAP4
ARM: OMAP2+: timer: initialize before using oh_name
Signed-off-by: Olof Johansson <olof@lixom.net>
Add/move/change conflicts in arch/arm/mach-omap2/Kconfig resolved.
Diffstat (limited to 'arch/arm/mm/flush.c')
| -rw-r--r-- | arch/arm/mm/flush.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 32aa5861119f..6d5ba9afb16a 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -17,6 +17,7 @@ #include <asm/highmem.h> #include <asm/smp_plat.h> #include <asm/tlbflush.h> +#include <linux/hugetlb.h> #include "mm.h" @@ -168,19 +169,23 @@ void __flush_dcache_page(struct address_space *mapping, struct page *page) * coherent with the kernels mapping. */ if (!PageHighMem(page)) { - __cpuc_flush_dcache_area(page_address(page), PAGE_SIZE); + size_t page_size = PAGE_SIZE << compound_order(page); + __cpuc_flush_dcache_area(page_address(page), page_size); } else { - void *addr; - + unsigned long i; if (cache_is_vipt_nonaliasing()) { - addr = kmap_atomic(page); - __cpuc_flush_dcache_area(addr, PAGE_SIZE); - kunmap_atomic(addr); - } else { - addr = kmap_high_get(page); - if (addr) { + for (i = 0; i < (1 << compound_order(page)); i++) { + void *addr = kmap_atomic(page); __cpuc_flush_dcache_area(addr, PAGE_SIZE); - kunmap_high(page); + kunmap_atomic(addr); + } + } else { + for (i = 0; i < (1 << compound_order(page)); i++) { + void *addr = kmap_high_get(page); + if (addr) { + __cpuc_flush_dcache_area(addr, PAGE_SIZE); + kunmap_high(page); + } } } } @@ -287,7 +292,7 @@ void flush_dcache_page(struct page *page) mapping = page_mapping(page); if (!cache_ops_need_broadcast() && - mapping && !mapping_mapped(mapping)) + mapping && !page_mapped(page)) clear_bit(PG_dcache_clean, &page->flags); else { __flush_dcache_page(mapping, page); |