# I am the Watcher. I am your guide through this vast new twtiverse.
# 
# Usage:
#     https://watcher.sour.is/api/plain/users              View list of users and latest twt date.
#     https://watcher.sour.is/api/plain/twt                View all twts.
#     https://watcher.sour.is/api/plain/mentions?uri=:uri  View all mentions for uri.
#     https://watcher.sour.is/api/plain/conv/:hash         View all twts for a conversation subject.
# 
# Options:
#     uri     Filter to show a specific users twts.
#     offset  Start index for quey.
#     limit   Count of items to return (going back in time).
# 
# twt range = 1 1
# self = https://watcher.sour.is/conv/evb3s3a
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解析頁面回收技術：提升應用穩定性與效率**
請求調頁機制，只要用戶態進程繼續執行，他們就能獲得頁框，然而，請求調頁沒有辦法強制進程釋放不再使用的頁框。因此，遲早所有空閒內存將被分配給進程和高速緩存，Linux 內核的頁面回收算法（PFRA）採取從用戶進程和內核高速緩存 “竊取” 頁框的辦法不從夥伴系統的空閒塊列表。實際上，在用完所有空閒內存之前，就必須執行頁框回收算法。否則，內核很可能陷入一種內存請求的僵局中，並導致系統崩潰。也就是說，要釋 ⌘ Read more