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| author | Rusty Russell <rusty@rustcorp.com.au> | 2013-04-22 08:40:38 +0400 |
|---|---|---|
| committer | Rusty Russell <rusty@rustcorp.com.au> | 2013-04-22 10:01:36 +0400 |
| commit | 93a2cdff98243df06bafd3c4f3b31b38f0d0fe3e (patch) | |
| tree | cfda9a918a92ac0308e1c888489c83c0b243138a /arch/x86/include/asm/lguest.h | |
| parent | 856c608827928d29f80605e85fc3f8f0ab3af4fb (diff) | |
| download | linux-93a2cdff98243df06bafd3c4f3b31b38f0d0fe3e.tar.xz | |
lguest: assume Switcher text is a single page.
ie. SHARED_SWITCHER_PAGES == 1. It is well under a page, and it's a
minor simplification: it's nice to have *one* simplification in a
patch series!
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'arch/x86/include/asm/lguest.h')
| -rw-r--r-- | arch/x86/include/asm/lguest.h | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/arch/x86/include/asm/lguest.h b/arch/x86/include/asm/lguest.h index 85ecdb80d121..74edebd010ab 100644 --- a/arch/x86/include/asm/lguest.h +++ b/arch/x86/include/asm/lguest.h @@ -11,11 +11,8 @@ #define GUEST_PL 1 -/* Every guest maps the core switcher code. */ -#define SHARED_SWITCHER_PAGES \ - DIV_ROUND_UP(end_switcher_text - start_switcher_text, PAGE_SIZE) -/* Pages for switcher itself, then two pages per cpu */ -#define TOTAL_SWITCHER_PAGES (SHARED_SWITCHER_PAGES + 2 * nr_cpu_ids) +/* Page for Switcher text itself, then two pages per cpu */ +#define TOTAL_SWITCHER_PAGES (1 + 2 * nr_cpu_ids) /* We map at -4M (-2M for PAE) for ease of mapping (one PTE page). */ #ifdef CONFIG_X86_PAE |