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2001-02-14  Wolfram Gloger  <wg@malloc.de>

	* malloc/malloc.c (new_heap): When allocating large chunk aligned
	to HEAP_MAX_SIZE, prefer one with lower address, to avoid `holes'
	between the heaps.
This commit is contained in:
Ulrich Drepper 2001-02-15 03:39:03 +00:00
parent cd53c157cf
commit 8a216c1bd8
3 changed files with 12 additions and 1 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2001-02-14 Wolfram Gloger <wg@malloc.de>
* malloc/malloc.c (new_heap): When allocating large chunk aligned
to HEAP_MAX_SIZE, prefer one with lower address, to avoid `holes'
between the heaps.
2001-02-14 Ulrich Drepper <drepper@redhat.com> 2001-02-14 Ulrich Drepper <drepper@redhat.com>
* math/libm-test.inc (j0_test): Check whether sincos is available. * math/libm-test.inc (j0_test): Check whether sincos is available.

2
malloc/malloc.c
View File

@ -2026,7 +2026,7 @@ new_heap(size) size_t size;
anyway). */ anyway). */
p1 = (char *)MMAP(0, HEAP_MAX_SIZE<<1, PROT_NONE, MAP_PRIVATE|MAP_NORESERVE); p1 = (char *)MMAP(0, HEAP_MAX_SIZE<<1, PROT_NONE, MAP_PRIVATE|MAP_NORESERVE);
if(p1 != MAP_FAILED) { if(p1 != MAP_FAILED) {
p2 = (char *)(((unsigned long)p1 + HEAP_MAX_SIZE) & ~(HEAP_MAX_SIZE-1)); p2 = (char *)(((unsigned long)p1 + (HEAP_MAX_SIZE-1)) & ~(HEAP_MAX_SIZE-1));
ul = p2 - p1; ul = p2 - p1;
munmap(p1, ul); munmap(p1, ul);
munmap(p2 + HEAP_MAX_SIZE, HEAP_MAX_SIZE - ul); munmap(p2 + HEAP_MAX_SIZE, HEAP_MAX_SIZE - ul);

5
math/libm-test.inc
View File

@ -2857,6 +2857,7 @@ j0_test (void)
static void static void
j1_test (void) j1_test (void)
{ {
FLOAT s, c;
errno = 0; errno = 0;
FUNC (sincos) (0, &s, &c); FUNC (sincos) (0, &s, &c);
if (errno == ENOSYS) if (errno == ENOSYS)
@ -2890,6 +2891,7 @@ j1_test (void)
static void static void
jn_test (void) jn_test (void)
{ {
FLOAT s, c;
errno = 0; errno = 0;
FUNC (sincos) (0, &s, &c); FUNC (sincos) (0, &s, &c);
if (errno == ENOSYS) if (errno == ENOSYS)
@ -4014,6 +4016,7 @@ trunc_test (void)
static void static void
y0_test (void) y0_test (void)
{ {
FLOAT s, c;
errno = 0; errno = 0;
FUNC (sincos) (0, &s, &c); FUNC (sincos) (0, &s, &c);
if (errno == ENOSYS) if (errno == ENOSYS)
@ -4047,6 +4050,7 @@ y0_test (void)
static void static void
y1_test (void) y1_test (void)
{ {
FLOAT s, c;
errno = 0; errno = 0;
FUNC (sincos) (0, &s, &c); FUNC (sincos) (0, &s, &c);
if (errno == ENOSYS) if (errno == ENOSYS)
@ -4079,6 +4083,7 @@ y1_test (void)
static void static void
yn_test (void) yn_test (void)
{ {
FLOAT s, c;
errno = 0; errno = 0;
FUNC (sincos) (0, &s, &c); FUNC (sincos) (0, &s, &c);
if (errno == ENOSYS) if (errno == ENOSYS)