Lines Matching refs:kernel

27 impossible for the kernel to keep all of the available physical memory mapped
28 at all times.  This means the kernel needs to start using temporary mappings of
35 In the i386 arch, for example, we choose to map the kernel into every process's
37 kernel entry/exit.  This means the available virtual memory space (4GiB on
38 i386) has to be divided between user and kernel space.
41 userspace and the top 1GiB for kernel space:
51 This means that the kernel can at most map 1GiB of physical memory at any one
56 Other architectures that have mm context tagged TLBs can have separate kernel
65 The kernel contains several ways of creating temporary mappings:
128 manipulate the kernel's page tables, the data TLB and/or the MMU's registers.
130 If CONFIG_HIGHMEM is not set, then the kernel will try and create a mapping
151      worth of pages; the kernel, however, needs to store more than just
161 much on your own - don't expect kernel developers to really care much if things