Revert "mm, page_owner: record time and pid"
This reverts commit ea0195f3fc
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Signed-off-by: UtsavBalar1231 <utsavbalar1231@gmail.com>
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90fae99265
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4b5037851b
@ -10,8 +10,6 @@
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#include <linux/migrate.h>
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#include <linux/stackdepot.h>
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#include <linux/seq_file.h>
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#include <linux/sched.h>
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#include <linux/sched/clock.h>
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#include "internal.h"
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@ -26,8 +24,6 @@ struct page_owner {
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short last_migrate_reason;
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gfp_t gfp_mask;
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depot_stack_handle_t handle;
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int pid;
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u64 ts_nsec;
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};
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static bool page_owner_disabled =
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@ -187,8 +183,6 @@ static inline void __set_page_owner_handle(struct page_ext *page_ext,
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page_owner->order = order;
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page_owner->gfp_mask = gfp_mask;
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page_owner->last_migrate_reason = -1;
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page_owner->pid = current->pid;
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page_owner->ts_nsec = local_clock();
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__set_bit(PAGE_EXT_OWNER, &page_ext->flags);
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}
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@ -249,8 +243,6 @@ void __copy_page_owner(struct page *oldpage, struct page *newpage)
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new_page_owner->last_migrate_reason =
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old_page_owner->last_migrate_reason;
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new_page_owner->handle = old_page_owner->handle;
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new_page_owner->pid = old_page_owner->pid;
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new_page_owner->ts_nsec = old_page_owner->ts_nsec;
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/*
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* We don't clear the bit on the oldpage as it's going to be freed
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@ -369,10 +361,9 @@ print_page_owner(char __user *buf, size_t count, unsigned long pfn,
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return -ENOMEM;
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ret = snprintf(kbuf, count,
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"Page allocated via order %u, mask %#x(%pGg), pid %d, ts %llu ns\n",
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"Page allocated via order %u, mask %#x(%pGg)\n",
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page_owner->order, page_owner->gfp_mask,
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&page_owner->gfp_mask, page_owner->pid,
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page_owner->ts_nsec);
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&page_owner->gfp_mask);
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if (ret >= count)
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goto err;
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@ -455,9 +446,8 @@ void __dump_page_owner(struct page *page)
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}
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depot_fetch_stack(handle, &trace);
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pr_alert("page allocated via order %u, migratetype %s, gfp_mask %#x(%pGg), pid %d, ts %llu ns\n",
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page_owner->order, migratetype_names[mt], gfp_mask, &gfp_mask,
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page_owner->pid, page_owner->ts_nsec);
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pr_alert("page allocated via order %u, migratetype %s, gfp_mask %#x(%pGg)\n",
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page_owner->order, migratetype_names[mt], gfp_mask, &gfp_mask);
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print_stack_trace(&trace, 0);
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if (page_owner->last_migrate_reason != -1)
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