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module/*.ko: prune .data, global .rodata

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Evaluated every variable that lives in .data (and globals in .rodata)
in the kernel modules, and constified/eliminated/localised them
appropriately. This means that all read-only data is now actually
read-only data, and, if possible, at file scope. A lot of previously-
global-symbols became inlinable (and inlined!) constants. Probably
not in a big Wowee Performance Moment, but hey.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #12899
This commit is contained in:
наб
2022-01-15 00:37:55 +01:00
committed by GitHub
parent 7adc190098
commit 18168da727
147 changed files with 781 additions and 876 deletions
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module/zfs/dbuf.c
+7 -7
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@@ -55,7 +55,7 @@
#include <sys/wmsum.h>
#include <sys/vdev_impl.h>
kstat_t *dbuf_ksp;
static kstat_t *dbuf_ksp;
typedef struct dbuf_stats {
/*
@@ -225,12 +225,12 @@ typedef struct dbuf_cache {
dbuf_cache_t dbuf_caches[DB_CACHE_MAX];
/* Size limits for the caches */
unsigned long dbuf_cache_max_bytes = ULONG_MAX;
unsigned long dbuf_metadata_cache_max_bytes = ULONG_MAX;
static unsigned long dbuf_cache_max_bytes = ULONG_MAX;
static unsigned long dbuf_metadata_cache_max_bytes = ULONG_MAX;
/* Set the default sizes of the caches to log2 fraction of arc size */
int dbuf_cache_shift = 5;
int dbuf_metadata_cache_shift = 6;
static int dbuf_cache_shift = 5;
static int dbuf_metadata_cache_shift = 6;
static unsigned long dbuf_cache_target_bytes(void);
static unsigned long dbuf_metadata_cache_target_bytes(void);
@@ -277,8 +277,8 @@ static unsigned long dbuf_metadata_cache_target_bytes(void);
/*
* The percentage above and below the maximum cache size.
*/
uint_t dbuf_cache_hiwater_pct = 10;
uint_t dbuf_cache_lowater_pct = 10;
static uint_t dbuf_cache_hiwater_pct = 10;
static uint_t dbuf_cache_lowater_pct = 10;
static int
dbuf_cons(void *vdb, void *unused, int kmflag)