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Commit cb82ed90 authored by Vinayak Menon's avatar Vinayak Menon Committed by Puranam V G Tejaswi
Browse files

mm: process_reclaim: skip target_vma 



Skip using target_vma for address space reclaim. Shared pages
are not reclaimed by this interface and thus there isn't a need
to perform targeted reclaim.

Change-Id: I17cc0452c1179786ac64f0dd1ee81b2b71bb7caa
Signed-off-by: default avatarVinayak Menon <vinmenon@codeaurora.org>
parent 5c205e81

drivers/gpu/msm/kgsl_reclaim.c

+2 −3
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2020, The Linux Foundation. All rights reserved.

 * Copyright (c) 2020-2021, The Linux Foundation. All rights reserved.

 */



#include <linux/kthread.h>
@@ -269,8 +269,7 @@ static int kgsl_reclaim_callback(struct notifier_block *nb, 
			memdesc->priv |= KGSL_MEMDESC_RECLAIMED;



			ret = reclaim_address_space

				(memdesc->shmem_filp->f_mapping,

				data, memdesc->vma);

				(memdesc->shmem_filp->f_mapping, data);



			memdesc->reclaimed_page_count += memdesc->page_count;

			atomic_add(memdesc->page_count,

fs/proc/task_mmu.c

+2 −2
Original line number Diff line number Diff line
@@ -1686,7 +1686,7 @@ static void proc_reclaim_notify(unsigned long pid, void *rp) 
}



int reclaim_address_space(struct address_space *mapping,

			struct reclaim_param *rp, struct vm_area_struct *vma)

			struct reclaim_param *rp)

{

	struct radix_tree_iter iter;

	void __rcu **slot;
@@ -1727,7 +1727,7 @@ int reclaim_address_space(struct address_space *mapping, 
		}

	}

	rcu_read_unlock();

	reclaimed = reclaim_pages_from_list(&page_list, vma);

	reclaimed = reclaim_pages_from_list(&page_list, NULL);

	rp->nr_reclaimed += reclaimed;



	if (rp->nr_scanned >= rp->nr_to_reclaim)

include/linux/mm.h

+1 −1
Original line number Diff line number Diff line
@@ -3058,7 +3058,7 @@ extern struct reclaim_param reclaim_task_anon(struct task_struct *task, 
extern struct reclaim_param reclaim_task_nomap(struct task_struct *task,

		int nr_to_reclaim);

extern int reclaim_address_space(struct address_space *mapping,

		struct reclaim_param *rp, struct vm_area_struct *vma);

		struct reclaim_param *rp);

extern int proc_reclaim_notifier_register(struct notifier_block *nb);

extern int proc_reclaim_notifier_unregister(struct notifier_block *nb);

#endif