mprotect.c (95d465fd750897ab32462a6702fbfe1b122cbbc0) mprotect.c (b344e05c585406904c70865e531e02467c4c7931)
1/*
2 * mm/mprotect.c
3 *
4 * (C) Copyright 1994 Linus Torvalds
5 * (C) Copyright 2002 Christoph Hellwig
6 *
7 * Address space accounting code <alan@redhat.com>
8 * (C) Copyright 2002 Red Hat Inc, All Rights Reserved

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200 return -ENOMEM;
201 if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM))
202 return -EINVAL;
203
204 reqprot = prot;
205 /*
206 * Does the application expect PROT_READ to imply PROT_EXEC:
207 */
1/*
2 * mm/mprotect.c
3 *
4 * (C) Copyright 1994 Linus Torvalds
5 * (C) Copyright 2002 Christoph Hellwig
6 *
7 * Address space accounting code <alan@redhat.com>
8 * (C) Copyright 2002 Red Hat Inc, All Rights Reserved

--- 191 unchanged lines hidden (view full) ---

200 return -ENOMEM;
201 if (prot & ~(PROT_READ | PROT_WRITE | PROT_EXEC | PROT_SEM))
202 return -EINVAL;
203
204 reqprot = prot;
205 /*
206 * Does the application expect PROT_READ to imply PROT_EXEC:
207 */
208 if (unlikely((prot & PROT_READ) &&
209 (current->personality & READ_IMPLIES_EXEC)))
208 if ((prot & PROT_READ) && (current->personality & READ_IMPLIES_EXEC))
210 prot |= PROT_EXEC;
211
212 vm_flags = calc_vm_prot_bits(prot);
213
214 down_write(&current->mm->mmap_sem);
215
216 vma = find_vma_prev(current->mm, start, &prev);
217 error = -ENOMEM;

--- 63 unchanged lines hidden --- 		209 prot |= PROT_EXEC;
210
211 vm_flags = calc_vm_prot_bits(prot);
212
213 down_write(&current->mm->mmap_sem);
214
215 vma = find_vma_prev(current->mm, start, &prev);
216 error = -ENOMEM;

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