X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=mm%2Fmadvise.c;h=23a0ec3e0ea07bb0f37a001bc1f7e5a683172c22;hb=1c9ce5276324ae566ca409491b99a2cc8d5986fa;hp=e75096b5a6d3eb4bb8eb4875d5f4bf9fd167c80e;hpb=ef93127e4c7b4b8d46421045641048397eaac43d;p=linux-2.6-omap-h63xx.git diff --git a/mm/madvise.c b/mm/madvise.c index e75096b5a6d..23a0ec3e0ea 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -10,6 +10,7 @@ #include #include #include +#include /* * Any behaviour which results in changes to the vma->vm_flags needs to @@ -111,7 +112,7 @@ static long madvise_willneed(struct vm_area_struct * vma, if (!file) return -EBADF; - if (file->f_mapping->a_ops->get_xip_page) { + if (file->f_mapping->a_ops->get_xip_mem) { /* no bad return value, but ignore advice */ return 0; } @@ -286,9 +287,11 @@ asmlinkage long sys_madvise(unsigned long start, size_t len_in, int behavior) struct vm_area_struct * vma, *prev; int unmapped_error = 0; int error = -EINVAL; + int write; size_t len; - if (madvise_need_mmap_write(behavior)) + write = madvise_need_mmap_write(behavior); + if (write) down_write(¤t->mm->mmap_sem); else down_read(¤t->mm->mmap_sem); @@ -353,7 +356,7 @@ asmlinkage long sys_madvise(unsigned long start, size_t len_in, int behavior) vma = find_vma(current->mm, start); } out: - if (madvise_need_mmap_write(behavior)) + if (write) up_write(¤t->mm->mmap_sem); else up_read(¤t->mm->mmap_sem);