From: Cyrill Gorcunov Date: Mon, 4 Feb 2008 15:48:03 +0000 (+0100) Subject: x86: cleanup - eliminate numbers in LDT allocation code X-Git-Tag: firefly_0821_release~23550^2~42 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fa0c864d998c9c97d11db097d5736028d5c80985;p=firefly-linux-kernel-4.4.55.git x86: cleanup - eliminate numbers in LDT allocation code This patch eliminates numbers in LDT allocation code trying to make it clear to understand from where these numbers come. No code changed: text data bss dec hex filename 1896 0 0 1896 768 ldt.o.before 1896 0 0 1896 768 ldt.o.after md5: 6cbec8705008ddb4b704aade60bceda3 ldt.o.before.asm 6cbec8705008ddb4b704aade60bceda3 ldt.o.after.asm Signed-off-by: Cyrill Gorcunov Signed-off-by: Ingo Molnar Signed-off-by: Thomas Gleixner --- diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c index 8a7660c8394a..0224c3637c73 100644 --- a/arch/x86/kernel/ldt.c +++ b/arch/x86/kernel/ldt.c @@ -35,7 +35,8 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload) if (mincount <= pc->size) return 0; oldsize = pc->size; - mincount = (mincount + 511) & (~511); + mincount = (mincount + (PAGE_SIZE / LDT_ENTRY_SIZE - 1)) & + (~(PAGE_SIZE / LDT_ENTRY_SIZE - 1)); if (mincount * LDT_ENTRY_SIZE > PAGE_SIZE) newldt = vmalloc(mincount * LDT_ENTRY_SIZE); else