From e7fa8d0d4c876279d62ea36e935e757e2c3ed6af Mon Sep 17 00:00:00 2001 From: Michel Lespinasse Date: Tue, 11 Dec 2012 16:02:15 -0800 Subject: [PATCH] --- yaml --- r: 338766 b: refs/heads/master c: a046be3d3ce33c747340b0716fda31f8f63a48b9 h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/arch/sparc/kernel/sys_sparc_32.c | 27 +++++++++----------------- 2 files changed, 10 insertions(+), 19 deletions(-) diff --git a/[refs] b/[refs] index 368ebe775843..6ca6c340ca00 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: b4265f12340f809447b9a48055e88c444b480c89 +refs/heads/master: a046be3d3ce33c747340b0716fda31f8f63a48b9 diff --git a/trunk/arch/sparc/kernel/sys_sparc_32.c b/trunk/arch/sparc/kernel/sys_sparc_32.c index 0c9b31b22e07..57277c830151 100644 --- a/trunk/arch/sparc/kernel/sys_sparc_32.c +++ b/trunk/arch/sparc/kernel/sys_sparc_32.c @@ -34,11 +34,9 @@ asmlinkage unsigned long sys_getpagesize(void) return PAGE_SIZE; /* Possibly older binaries want 8192 on sun4's? */ } -#define COLOUR_ALIGN(addr) (((addr)+SHMLBA-1)&~(SHMLBA-1)) - unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags) { - struct vm_area_struct * vmm; + struct vm_unmapped_area_info info; if (flags & MAP_FIXED) { /* We do not accept a shared mapping if it would violate @@ -56,21 +54,14 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi if (!addr) addr = TASK_UNMAPPED_BASE; - if (flags & MAP_SHARED) - addr = COLOUR_ALIGN(addr); - else - addr = PAGE_ALIGN(addr); - - for (vmm = find_vma(current->mm, addr); ; vmm = vmm->vm_next) { - /* At this point: (!vmm || addr < vmm->vm_end). */ - if (TASK_SIZE - PAGE_SIZE - len < addr) - return -ENOMEM; - if (!vmm || addr + len <= vmm->vm_start) - return addr; - addr = vmm->vm_end; - if (flags & MAP_SHARED) - addr = COLOUR_ALIGN(addr); - } + info.flags = 0; + info.length = len; + info.low_limit = addr; + info.high_limit = TASK_SIZE; + info.align_mask = (flags & MAP_SHARED) ? + (PAGE_MASK & (SHMLBA - 1)) : 0; + info.align_offset = pgoff << PAGE_SHIFT; + return vm_unmapped_area(&info); } /*