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Commit 02b763b8 authored by Jiri Slaby's avatar Jiri Slaby Committed by Tony Luck
Browse files

[IA64] use helpers for rlimits 



Make sure compiler won't do weird things with limits. E.g. fetching
them twice may return 2 different values after writable limits are
implemented.

I.e. either use rlimit helpers added in
3e10e716
or ACCESS_ONCE if not applicable.

Signed-off-by: default avatarJiri Slaby <jslaby@suse.cz>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 1d1e9f04

arch/ia64/kernel/perfmon.c

+1 −1
Original line number Diff line number Diff line
@@ -2293,7 +2293,7 @@ pfm_smpl_buffer_alloc(struct task_struct *task, struct file *filp, pfm_context_t 
	 * if ((mm->total_vm << PAGE_SHIFT) + len> task->rlim[RLIMIT_AS].rlim_cur)

	 * 	return -ENOMEM;

	 */

	if (size > task->signal->rlim[RLIMIT_MEMLOCK].rlim_cur)

	if (size > task_rlimit(task, RLIMIT_MEMLOCK))

		return -ENOMEM;



	/*

arch/ia64/mm/init.c

+1 −1
Original line number Diff line number Diff line
@@ -91,7 +91,7 @@ dma_mark_clean(void *addr, size_t size) 
inline void

ia64_set_rbs_bot (void)

{

	unsigned long stack_size = current->signal->rlim[RLIMIT_STACK].rlim_max & -16;

	unsigned long stack_size = rlimit_max(RLIMIT_STACK) & -16;



	if (stack_size > MAX_USER_STACK_SIZE)

		stack_size = MAX_USER_STACK_SIZE;