diff options
Diffstat (limited to 'sysdep/unix')
| -rw-r--r-- | sysdep/unix/alloc.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/sysdep/unix/alloc.c b/sysdep/unix/alloc.c index e7c4e6b0..0ca12ec3 100644 --- a/sysdep/unix/alloc.c +++ b/sysdep/unix/alloc.c @@ -58,6 +58,7 @@ struct free_pages { }; static void global_free_pages_cleanup_event(void *); +static void *alloc_cold_page(void); static struct free_pages global_free_pages = { .min = KEEP_PAGES_MAIN_MIN, @@ -114,6 +115,14 @@ alloc_page(void) return fp; } + else + return alloc_cold_page(); +} + +static void * +alloc_cold_page(void) +{ + struct free_pages *fps = &global_free_pages; /* If there is any free page kept cold, we use that. */ if (!EMPTY_LIST(fps->empty)) @@ -170,12 +179,7 @@ global_free_pages_cleanup_event(void *data UNUSED) /* Cleanup may get called when hot free page cache is short of pages. Replenishing. */ while (fps->cnt / 2 < fps->min) - { - struct free_page *fp = alloc_sys_page(); - fp->n = (node) {}; - add_tail(&fps->pages, &fp->n); - fps->cnt++; - } + free_page(alloc_cold_page()); /* Or the hot free page cache is too big. Moving some pages to the cold free page cache. */ for (int limit = CLEANUP_PAGES_BULK; limit && (fps->cnt > fps->max / 2); fps->cnt--, limit--) |