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author | Wolfgang Denk <wd@denx.de> | 2008-07-31 12:30:40 +0200 |
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committer | Wolfgang Denk <wd@denx.de> | 2008-07-31 12:30:40 +0200 |
commit | f7c602ac8be0bcff4e573052c47e79bc46dab380 (patch) | |
tree | b987f7a2e05fc81167335ec949b17cbc9cd67df3 /common/dlmalloc.c | |
parent | 3c95960e526b3b026da20201db64526f46faf14b (diff) | |
parent | 9196b44334c330cc13de2464c59181e4db71f549 (diff) | |
download | u-boot-imx-f7c602ac8be0bcff4e573052c47e79bc46dab380.zip u-boot-imx-f7c602ac8be0bcff4e573052c47e79bc46dab380.tar.gz u-boot-imx-f7c602ac8be0bcff4e573052c47e79bc46dab380.tar.bz2 |
Merge branch 'master' of ssh://10.10.0.7/home/wd/git/u-boot/master
Diffstat (limited to 'common/dlmalloc.c')
-rw-r--r-- | common/dlmalloc.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/common/dlmalloc.c b/common/dlmalloc.c index c51351e..4a18562 100644 --- a/common/dlmalloc.c +++ b/common/dlmalloc.c @@ -1457,7 +1457,7 @@ typedef struct malloc_chunk* mbinptr; indexing, maintain locality, and avoid some initialization tests. */ -#define top (bin_at(0)->fd) /* The topmost chunk */ +#define top (av_[2]) /* The topmost chunk */ #define last_remainder (bin_at(1)) /* remainder from last split */ @@ -1552,13 +1552,14 @@ void malloc_bin_reloc (void) #define BINBLOCKWIDTH 4 /* bins per block */ -#define binblocks (bin_at(0)->size) /* bitvector of nonempty blocks */ +#define binblocks_r ((INTERNAL_SIZE_T)av_[1]) /* bitvector of nonempty blocks */ +#define binblocks_w (av_[1]) /* bin<->block macros */ #define idx2binblock(ix) ((unsigned)1 << (ix / BINBLOCKWIDTH)) -#define mark_binblock(ii) (binblocks |= idx2binblock(ii)) -#define clear_binblock(ii) (binblocks &= ~(idx2binblock(ii))) +#define mark_binblock(ii) (binblocks_w = (mbinptr)(binblocks_r | idx2binblock(ii))) +#define clear_binblock(ii) (binblocks_w = (mbinptr)(binblocks_r & ~(idx2binblock(ii)))) @@ -2250,17 +2251,17 @@ Void_t* mALLOc(bytes) size_t bytes; search for best fitting chunk by scanning bins in blockwidth units. */ - if ( (block = idx2binblock(idx)) <= binblocks) + if ( (block = idx2binblock(idx)) <= binblocks_r) { /* Get to the first marked block */ - if ( (block & binblocks) == 0) + if ( (block & binblocks_r) == 0) { /* force to an even block boundary */ idx = (idx & ~(BINBLOCKWIDTH - 1)) + BINBLOCKWIDTH; block <<= 1; - while ((block & binblocks) == 0) + while ((block & binblocks_r) == 0) { idx += BINBLOCKWIDTH; block <<= 1; @@ -2315,7 +2316,7 @@ Void_t* mALLOc(bytes) size_t bytes; { if ((startidx & (BINBLOCKWIDTH - 1)) == 0) { - binblocks &= ~block; + av_[1] = (mbinptr)(binblocks_r & ~block); break; } --startidx; @@ -2324,9 +2325,9 @@ Void_t* mALLOc(bytes) size_t bytes; /* Get to the next possibly nonempty block */ - if ( (block <<= 1) <= binblocks && (block != 0) ) + if ( (block <<= 1) <= binblocks_r && (block != 0) ) { - while ((block & binblocks) == 0) + while ((block & binblocks_r) == 0) { idx += BINBLOCKWIDTH; block <<= 1; |