mirror of https://gitee.com/openkylin/linux.git
6aab341e0a
This replaces the (in my opinion horrible) VM_UNMAPPED logic with very explicit support for a "remapped page range" aka VM_PFNMAP. It allows a VM area to contain an arbitrary range of page table entries that the VM never touches, and never considers to be normal pages. Any user of "remap_pfn_range()" automatically gets this new functionality, and doesn't even have to mark the pages reserved or indeed mark them any other way. It just works. As a side effect, doing mmap() on /dev/mem works for arbitrary ranges. Sparc update from David in the next commit. Signed-off-by: Linus Torvalds <torvalds@osdl.org> |
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.. | ||
Makefile | ||
array.c | ||
base.c | ||
generic.c | ||
inode-alloc.txt | ||
inode.c | ||
internal.h | ||
kcore.c | ||
kmsg.c | ||
mmu.c | ||
nommu.c | ||
proc_devtree.c | ||
proc_misc.c | ||
proc_tty.c | ||
root.c | ||
task_mmu.c | ||
task_nommu.c | ||
vmcore.c |