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https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
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__arch_wb_cache_pmem() was already an internal implementation detail of the x86 PMEM API, but this functionality needs to be exported as part of the general PMEM API to handle the fsync/msync case for DAX mmaps. One thing worth noting is that we really do want this to be part of the PMEM API as opposed to a stand-alone function like clflush_cache_range() because of ordering restrictions. By having wb_cache_pmem() as part of the PMEM API we can leave it unordered, call it multiple times to write back large amounts of memory, and then order the multiple calls with a single wmb_pmem(). Signed-off-by: Ross Zwisler <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: "J. Bruce Fields" <[email protected]> Cc: "Theodore Ts'o" <[email protected]> Cc: Alexander Viro <[email protected]> Cc: Andreas Dilger <[email protected]> Cc: Dave Chinner <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jan Kara <[email protected]> Cc: Jeff Layton <[email protected]> Cc: Matthew Wilcox <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Dan Williams <[email protected]> Cc: Matthew Wilcox <[email protected]> Cc: Dave Hansen <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]> |
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| crypto | ||
| entry | ||
| ia32 | ||
| include | ||
| kernel | ||
| kvm | ||
| lguest | ||
| lib | ||
| math-emu | ||
| mm | ||
| net | ||
| oprofile | ||
| pci | ||
| platform | ||
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| ras | ||
| realmode | ||
| tools | ||
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| xen | ||
| .gitignore | ||
| Kbuild | ||
| Kconfig | ||
| Kconfig.cpu | ||
| Kconfig.debug | ||
| Makefile | ||
| Makefile.um | ||
| Makefile_32.cpu | ||