Lines Matching full:trim

159  * We only need to trim a buffer when we have multiple windows. Each window has
160  * trim state. We might have trimmed the end of the previous window, leaving the
162  * won't start with a new cookie), or we might need to trim the end of the
165  * window (a window can have one or more cookies). However, when we trim the
166  * last cookie, we keep a pointer to the last cookie in the trim state since we
167  * only need this info when we trim. The pointer to the first cookie in the
171  * If we do trim a cookie, we save away the physical address and size of the
176  * if we happened to trim on a page that uses the copy buffer, and that page
209  * window, and the trim state for the window. For the 32-bit kernel, we keep
232 	 *    need to trim when switching to a new window. This should only be
235 	 *    path to determine if we & or % to calculate the trim.