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authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>2009-02-27 13:27:38 -0800
committerH. Peter Anvin <hpa@zytor.com>2009-03-14 17:23:47 -0700
commitccf3fe02e35f4abca2589f99022cc25084bbd8ae (patch)
tree3bcf329116b8c689b4da1bb1a0d87bb587d3f3c7 /arch/x86/include/asm/dmi.h
parent5368a2be34b96fda9c05d79424fa63a73ead04ed (diff)
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x86-32: use brk segment for allocating initial kernel pagetable
Impact: use new interface instead of previous ad hoc implementation Rather than having special purpose init_pg_table_start/end variables to delimit the kernel pagetable built by head_32.S, just use the brk mechanism to extend the bss for the new pagetable. This patch removes init_pg_table_start/end and pg0, defines __brk_base (which is page-aligned and immediately follows _end), initializes the brk region to start there, and uses it for the 32-bit pagetable. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/include/asm/dmi.h')
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